diff --git a/frontend/e2e/child-selector.spec.ts b/frontend/e2e/child-selector.spec.ts
index 9cc8c47..c247b2c 100644
--- a/frontend/e2e/child-selector.spec.ts
+++ b/frontend/e2e/child-selector.spec.ts
@@ -15,12 +15,13 @@ const ADMIN_EMAIL = 'e2e-childselector-admin@example.com';
 const ADMIN_PASSWORD = 'AdminCSTest123';
 const PARENT_EMAIL = 'e2e-childselector-parent@example.com';
 const PARENT_PASSWORD = 'ChildSelectorTest123';
+const PARENT_FIRST_NAME = 'CSParent';
+const PARENT_LAST_NAME = 'TestSelector';
 const STUDENT1_EMAIL = 'e2e-childselector-student1@example.com';
 const STUDENT1_PASSWORD = 'Student1Test123';
 const STUDENT2_EMAIL = 'e2e-childselector-student2@example.com';
 const STUDENT2_PASSWORD = 'Student2Test123';
 
-let parentUserId: string;
 let student1UserId: string;
 let student2UserId: string;
 
@@ -42,7 +43,7 @@ async function loginAsAdmin(page: Page) {
 	]);
 }
 
-async function addGuardianIfNotLinked(page: Page, studentId: string, guardianId: string, relationship: string) {
+async function addGuardianIfNotLinked(page: Page, studentId: string, parentSearchTerm: string, relationship: string) {
 	await page.goto(`${ALPHA_URL}/admin/students/${studentId}`);
 	await expect(page.locator('.guardian-section')).toBeVisible({ timeout: 10000 });
 	await expect(
@@ -53,11 +54,24 @@ async function addGuardianIfNotLinked(page: Page, studentId: string, guardianId:
 	const addButton = page.getByRole('button', { name: /ajouter un parent/i });
 	if (!(await addButton.isVisible())) return;
 
+	// Skip if parent is already linked (email visible in guardian list)
+	const sectionText = await page.locator('.guardian-section').textContent();
+	if (sectionText && sectionText.includes(parentSearchTerm)) return;
+
 	await addButton.click();
 	const dialog = page.getByRole('dialog');
 	await expect(dialog).toBeVisible({ timeout: 5000 });
 
-	await dialog.getByLabel(/id du parent/i).fill(guardianId);
+	const searchInput = dialog.getByRole('combobox', { name: /rechercher/i });
+	await searchInput.fill(parentSearchTerm);
+
+	const listbox = dialog.locator('#parent-search-listbox');
+	await expect(listbox).toBeVisible({ timeout: 10000 });
+	const option = listbox.locator('[role="option"]').first();
+	await option.click();
+
+	await expect(dialog.getByText(/sélectionné/i)).toBeVisible();
+
 	await dialog.getByLabel(/type de relation/i).selectOption(relationship);
 	await dialog.getByRole('button', { name: 'Ajouter' }).click();
 
@@ -99,11 +113,10 @@ test.describe('Child Selector', () => {
 		);
 
 		// Create parent user
-		const parentOutput = execSync(
-			`docker compose -f "${composeFile}" exec -T php php bin/console app:dev:create-test-user --tenant=ecole-alpha --email=${PARENT_EMAIL} --password=${PARENT_PASSWORD} --role=ROLE_PARENT 2>&1`,
+		execSync(
+			`docker compose -f "${composeFile}" exec -T php php bin/console app:dev:create-test-user --tenant=ecole-alpha --email=${PARENT_EMAIL} --password=${PARENT_PASSWORD} --role=ROLE_PARENT --firstName=${PARENT_FIRST_NAME} --lastName=${PARENT_LAST_NAME} 2>&1`,
 			{ encoding: 'utf-8' }
 		);
-		parentUserId = extractUserId(parentOutput);
 
 		// Create student 1
 		const student1Output = execSync(
@@ -122,8 +135,8 @@ test.describe('Child Selector', () => {
 		// Use admin UI to link parent to both students
 		const page = await browser.newPage();
 		await loginAsAdmin(page);
-		await addGuardianIfNotLinked(page, student1UserId, parentUserId, 'tuteur');
-		await addGuardianIfNotLinked(page, student2UserId, parentUserId, 'tutrice');
+		await addGuardianIfNotLinked(page, student1UserId, PARENT_EMAIL, 'tuteur');
+		await addGuardianIfNotLinked(page, student2UserId, PARENT_EMAIL, 'tutrice');
 		await page.close();
 	});
 
@@ -192,7 +205,7 @@ test.describe('Child Selector', () => {
 		// Restore the second link via admin UI for clean state
 		const restorePage = await browser.newPage();
 		await loginAsAdmin(restorePage);
-		await addGuardianIfNotLinked(restorePage, student2UserId, parentUserId, 'tutrice');
+		await addGuardianIfNotLinked(restorePage, student2UserId, PARENT_EMAIL, 'tutrice');
 		await restorePage.close();
 	});
 });
diff --git a/frontend/e2e/guardian-management.spec.ts b/frontend/e2e/guardian-management.spec.ts
index 75e9a07..a37d086 100644
--- a/frontend/e2e/guardian-management.spec.ts
+++ b/frontend/e2e/guardian-management.spec.ts
@@ -18,12 +18,14 @@ const STUDENT_EMAIL = 'e2e-guardian-student@example.com';
 const STUDENT_PASSWORD = 'StudentTest123';
 const PARENT_EMAIL = 'e2e-guardian-parent@example.com';
 const PARENT_PASSWORD = 'ParentTest123';
+const PARENT_FIRST_NAME = 'GuardParent';
+const PARENT_LAST_NAME = 'TestOne';
 const PARENT2_EMAIL = 'e2e-guardian-parent2@example.com';
 const PARENT2_PASSWORD = 'Parent2Test123';
+const PARENT2_FIRST_NAME = 'GuardParent';
+const PARENT2_LAST_NAME = 'TestTwo';
 
 let studentUserId: string;
-let parentUserId: string;
-let parent2UserId: string;
 
 /**
  * Extracts the User ID from the Symfony console table output.
@@ -60,19 +62,17 @@ test.describe('Guardian Management', () => {
 		);
 		studentUserId = extractUserId(studentOutput);
 
-		// Create first parent user and capture userId
-		const parentOutput = execSync(
-			`docker compose -f "${composeFile}" exec -T php php bin/console app:dev:create-test-user --tenant=ecole-alpha --email=${PARENT_EMAIL} --password=${PARENT_PASSWORD} --role=ROLE_PARENT 2>&1`,
+		// Create first parent user (with name for search-based linking)
+		execSync(
+			`docker compose -f "${composeFile}" exec -T php php bin/console app:dev:create-test-user --tenant=ecole-alpha --email=${PARENT_EMAIL} --password=${PARENT_PASSWORD} --role=ROLE_PARENT --firstName=${PARENT_FIRST_NAME} --lastName=${PARENT_LAST_NAME} 2>&1`,
 			{ encoding: 'utf-8' }
 		);
-		parentUserId = extractUserId(parentOutput);
 
 		// Create second parent user for the max guardians test
-		const parent2Output = execSync(
-			`docker compose -f "${composeFile}" exec -T php php bin/console app:dev:create-test-user --tenant=ecole-alpha --email=${PARENT2_EMAIL} --password=${PARENT2_PASSWORD} --role=ROLE_PARENT 2>&1`,
+		execSync(
+			`docker compose -f "${composeFile}" exec -T php php bin/console app:dev:create-test-user --tenant=ecole-alpha --email=${PARENT2_EMAIL} --password=${PARENT2_PASSWORD} --role=ROLE_PARENT --firstName=${PARENT2_FIRST_NAME} --lastName=${PARENT2_LAST_NAME} 2>&1`,
 			{ encoding: 'utf-8' }
 		);
-		parent2UserId = extractUserId(parent2Output);
 
 		// Clean up any existing guardian links for this student (DB + cache)
 		try {
@@ -116,12 +116,13 @@ test.describe('Guardian Management', () => {
 	}
 
 	/**
-	 * Opens the add-guardian dialog, fills the form, and submits.
+	 * Opens the add-guardian dialog, searches for a parent by name,
+	 * selects them from results, and submits.
 	 * Waits for the success message before returning.
 	 */
 	async function addGuardianViaDialog(
 		page: import('@playwright/test').Page,
-		guardianId: string,
+		parentSearchTerm: string,
 		relationshipType: string
 	) {
 		await page.getByRole('button', { name: /ajouter un parent/i }).click();
@@ -129,7 +130,19 @@ test.describe('Guardian Management', () => {
 		const dialog = page.getByRole('dialog');
 		await expect(dialog).toBeVisible({ timeout: 5000 });
 
-		await dialog.getByLabel(/id du parent/i).fill(guardianId);
+		// Type in search field and wait for results
+		const searchInput = dialog.getByRole('combobox', { name: /rechercher/i });
+		await searchInput.fill(parentSearchTerm);
+
+		// Wait for autocomplete results
+		const listbox = dialog.locator('#parent-search-listbox');
+		await expect(listbox).toBeVisible({ timeout: 10000 });
+		const option = listbox.locator('[role="option"]').first();
+		await option.click();
+
+		// Verify a parent was selected
+		await expect(dialog.getByText(/sélectionné/i)).toBeVisible();
+
 		await dialog.getByLabel(/type de relation/i).selectOption(relationshipType);
 		await dialog.getByRole('button', { name: 'Ajouter' }).click();
 
@@ -170,8 +183,8 @@ test.describe('Guardian Management', () => {
 
 		await waitForGuardianSection(page);
 
-		// Add the guardian via the dialog
-		await addGuardianViaDialog(page, parentUserId, 'père');
+		// Add the guardian via the dialog (search by email)
+		await addGuardianViaDialog(page, PARENT_EMAIL, 'père');
 
 		// Verify success message
 		await expect(page.locator('.alert-success')).toContainText(/parent ajouté/i);
@@ -186,6 +199,37 @@ test.describe('Guardian Management', () => {
 		await expect(page.getByText(/aucun parent\/tuteur lié/i)).not.toBeVisible();
 	});
 
+	test('[P1] should not show already-linked parent in search results', async ({ page }) => {
+		await loginAsAdmin(page);
+		await page.goto(`${ALPHA_URL}/admin/students/${studentUserId}`);
+
+		await waitForGuardianSection(page);
+
+		// The parent from the previous test is still linked
+		await expect(page.locator('.guardian-list')).toBeVisible({ timeout: 5000 });
+
+		// Open the add-guardian dialog and search for the already-linked parent
+		await page.getByRole('button', { name: /ajouter un parent/i }).click();
+
+		const dialog = page.getByRole('dialog');
+		await expect(dialog).toBeVisible({ timeout: 5000 });
+
+		const searchInput = dialog.getByRole('combobox', { name: /rechercher/i });
+		await searchInput.fill(PARENT_EMAIL);
+
+		// The listbox should show "Aucun parent trouvé" since the parent is excluded
+		const listbox = dialog.locator('#parent-search-listbox');
+		await expect(listbox).toBeVisible({ timeout: 10000 });
+		await expect(listbox.getByText(/aucun parent trouvé/i)).toBeVisible();
+
+		// No option should be selectable
+		await expect(listbox.locator('[role="option"]')).toHaveCount(0);
+
+		// The guardian count should still be 1
+		await dialog.locator('.modal-close').click();
+		await expect(page.locator('.guardian-item')).toHaveCount(1);
+	});
+
 	test('[P1] should unlink a guardian from a student', async ({ page }) => {
 		await loginAsAdmin(page);
 		await page.goto(`${ALPHA_URL}/admin/students/${studentUserId}`);
@@ -211,14 +255,14 @@ test.describe('Guardian Management', () => {
 
 		await waitForGuardianSection(page);
 
-		// Link first guardian (père)
-		await addGuardianViaDialog(page, parentUserId, 'père');
+		// Link first guardian (père) — search by email
+		await addGuardianViaDialog(page, PARENT_EMAIL, 'père');
 
 		// Wait for the add button to still be available after first link
 		await expect(page.getByRole('button', { name: /ajouter un parent/i })).toBeVisible({ timeout: 5000 });
 
-		// Link second guardian (mère)
-		await addGuardianViaDialog(page, parent2UserId, 'mère');
+		// Link second guardian (mère) — search by email
+		await addGuardianViaDialog(page, PARENT2_EMAIL, 'mère');
 
 		// Now with 2 guardians linked, the add button should NOT be visible
 		await expect(page.getByRole('button', { name: /ajouter un parent/i })).not.toBeVisible({ timeout: 5000 });
@@ -234,4 +278,31 @@ test.describe('Guardian Management', () => {
 		// Verify empty state returns
 		await expect(page.getByText(/aucun parent\/tuteur lié/i)).toBeVisible({ timeout: 5000 });
 	});
+
+	test('[P1] should clear search field when reopening add dialog after successful link', async ({ page }) => {
+		await loginAsAdmin(page);
+		await page.goto(`${ALPHA_URL}/admin/students/${studentUserId}`);
+
+		await waitForGuardianSection(page);
+
+		// Link a guardian via dialog (this fills the search, selects, and submits)
+		await addGuardianViaDialog(page, PARENT_EMAIL, 'père');
+
+		// Reopen the add-guardian dialog
+		await page.getByRole('button', { name: /ajouter un parent/i }).click();
+
+		const dialog = page.getByRole('dialog');
+		await expect(dialog).toBeVisible({ timeout: 5000 });
+
+		// The search field should be empty (reset after successful link)
+		await expect(dialog.getByRole('combobox', { name: /rechercher/i })).toHaveValue('');
+
+		// No parent should be marked as selected
+		await expect(dialog.getByText(/sélectionné/i)).not.toBeVisible();
+
+		// Close modal and clean up
+		await dialog.locator('.modal-close').click();
+		await removeFirstGuardian(page);
+		await expect(page.getByText(/aucun parent\/tuteur lié/i)).toBeVisible({ timeout: 5000 });
+	});
 });
diff --git a/frontend/e2e/students.spec.ts b/frontend/e2e/students.spec.ts
index d96def4..2825209 100644
--- a/frontend/e2e/students.spec.ts
+++ b/frontend/e2e/students.spec.ts
@@ -19,9 +19,10 @@ const STUDENT_EMAIL = 'e2e-students-eleve@example.com';
 const STUDENT_PASSWORD = 'StudentTest123';
 const PARENT_EMAIL = 'e2e-students-parent@example.com';
 const PARENT_PASSWORD = 'ParentTest123';
+const PARENT_FIRST_NAME = 'StudParent';
+const PARENT_LAST_NAME = 'TestLink';
 
 let studentUserId: string;
-let parentUserId: string;
 
 /**
  * Extracts the User ID from the Symfony console table output.
@@ -58,12 +59,11 @@ test.describe('Student Management', () => {
 		);
 		studentUserId = extractUserId(studentOutput);
 
-		// Create parent user and capture userId
-		const parentOutput = execSync(
-			`docker compose -f "${composeFile}" exec -T php php bin/console app:dev:create-test-user --tenant=ecole-alpha --email=${PARENT_EMAIL} --password=${PARENT_PASSWORD} --role=ROLE_PARENT 2>&1`,
+		// Create parent user (with name for search-based linking)
+		execSync(
+			`docker compose -f "${composeFile}" exec -T php php bin/console app:dev:create-test-user --tenant=ecole-alpha --email=${PARENT_EMAIL} --password=${PARENT_PASSWORD} --role=ROLE_PARENT --firstName=${PARENT_FIRST_NAME} --lastName=${PARENT_LAST_NAME} 2>&1`,
 			{ encoding: 'utf-8' }
 		);
-		parentUserId = extractUserId(parentOutput);
 
 		// Clean up any existing guardian links for this student (DB + cache)
 		try {
@@ -197,7 +197,7 @@ test.describe('Student Management', () => {
 			await expect(dialog.getByRole('heading', { name: /ajouter un parent\/tuteur/i })).toBeVisible();
 
 			// Form fields should be present
-			await expect(dialog.getByLabel(/id du parent/i)).toBeVisible();
+			await expect(dialog.getByRole('combobox', { name: /rechercher/i })).toBeVisible();
 			await expect(dialog.getByLabel(/type de relation/i)).toBeVisible();
 		});
 
@@ -235,8 +235,17 @@ test.describe('Student Management', () => {
 			const dialog = page.getByRole('dialog');
 			await expect(dialog).toBeVisible({ timeout: 5000 });
 
-			// Fill in the guardian details
-			await dialog.getByLabel(/id du parent/i).fill(parentUserId);
+			// Search for the parent by name
+			const searchInput = dialog.getByRole('combobox', { name: /rechercher/i });
+			await searchInput.fill(PARENT_EMAIL);
+
+			// Wait for autocomplete results
+			const listbox = dialog.locator('#parent-search-listbox');
+			await expect(listbox).toBeVisible({ timeout: 10000 });
+			const option = listbox.locator('[role="option"]').first();
+			await option.click();
+			await expect(dialog.getByText(/sélectionné/i)).toBeVisible();
+
 			await dialog.getByLabel(/type de relation/i).selectOption('père');
 
 			// Submit
@@ -292,7 +301,15 @@ test.describe('Student Management', () => {
 			await page.getByRole('button', { name: /ajouter un parent/i }).click();
 			const dialog = page.getByRole('dialog');
 			await expect(dialog).toBeVisible({ timeout: 5000 });
-			await dialog.getByLabel(/id du parent/i).fill(parentUserId);
+
+			const searchInput = dialog.getByRole('combobox', { name: /rechercher/i });
+			await searchInput.fill(PARENT_EMAIL);
+
+			const listbox2 = dialog.locator('#parent-search-listbox');
+			await expect(listbox2).toBeVisible({ timeout: 10000 });
+			const option = listbox2.locator('[role="option"]').first();
+			await option.click();
+
 			await dialog.getByLabel(/type de relation/i).selectOption('mère');
 			await dialog.getByRole('button', { name: 'Ajouter' }).click();
 			await expect(page.locator('.alert-success')).toBeVisible({ timeout: 10000 });
diff --git a/frontend/src/lib/components/molecules/ParentSearchInput/ParentSearchInput.svelte b/frontend/src/lib/components/molecules/ParentSearchInput/ParentSearchInput.svelte
new file mode 100644
index 0000000..69170ab
--- /dev/null
+++ b/frontend/src/lib/components/molecules/ParentSearchInput/ParentSearchInput.svelte
@@ -0,0 +1,336 @@
+<script lang="ts">
+	import { getApiBaseUrl } from '$lib/api/config';
+	import { authenticatedFetch } from '$lib/auth';
+
+	interface ParentResult {
+		id: string;
+		firstName: string;
+		lastName: string;
+		email: string;
+	}
+
+	let {
+		onSelect,
+		onClear,
+		excludeIds = [],
+		placeholder = 'Rechercher un parent par nom ou email...'
+	}: {
+		onSelect: (parent: ParentResult) => void;
+		onClear?: () => void;
+		excludeIds?: string[];
+		placeholder?: string;
+	} = $props();
+
+	let query = $state('');
+	let results = $state<ParentResult[]>([]);
+	let isOpen = $state(false);
+	let isLoading = $state(false);
+	let activeIndex = $state(-1);
+	let selectedLabel = $state('');
+	let timeoutId: ReturnType<typeof setTimeout> | null = null;
+	let abortController: AbortController | null = null;
+	let containerEl: HTMLDivElement | undefined = $state();
+	let inputEl: HTMLInputElement | undefined = $state();
+
+	const listboxId = 'parent-search-listbox';
+
+	$effect(() => {
+		return () => {
+			if (timeoutId !== null) clearTimeout(timeoutId);
+			abortController?.abort();
+		};
+	});
+
+	async function searchParents(searchQuery: string) {
+		if (searchQuery.length < 2) {
+			results = [];
+			isOpen = false;
+			return;
+		}
+
+		abortController?.abort();
+		abortController = new AbortController();
+
+		try {
+			isLoading = true;
+			const apiUrl = getApiBaseUrl();
+			const params = new URLSearchParams({
+				role: 'ROLE_PARENT',
+				search: searchQuery,
+				itemsPerPage: '10'
+			});
+
+			const response = await authenticatedFetch(
+				`${apiUrl}/users?${params.toString()}`,
+				{ signal: abortController.signal }
+			);
+
+			if (!response.ok) return;
+
+			const data = await response.json();
+			const members = data['hydra:member'] ?? data['member'] ?? [];
+			const mapped = members.map((u: Record<string, string>) => ({
+				id: u['id'] ?? '',
+				firstName: u['firstName'] ?? '',
+				lastName: u['lastName'] ?? '',
+				email: u['email'] ?? ''
+			}));
+			results = excludeIds.length > 0
+				? mapped.filter((p: ParentResult) => !excludeIds.includes(p.id))
+				: mapped;
+			isOpen = true;
+			activeIndex = -1;
+		} catch (e) {
+			if (e instanceof DOMException && e.name === 'AbortError') return;
+			results = [];
+		} finally {
+			isLoading = false;
+		}
+	}
+
+	function handleInput(event: Event) {
+		const target = event.target as HTMLInputElement;
+		query = target.value;
+		if (selectedLabel !== '') {
+			selectedLabel = '';
+			onClear?.();
+		}
+
+		if (timeoutId !== null) clearTimeout(timeoutId);
+
+		timeoutId = globalThis.setTimeout(() => {
+			searchParents(query);
+		}, 300);
+	}
+
+	function formatParentLabel(parent: ParentResult): string {
+		const name = `${parent.firstName} ${parent.lastName}`.trim();
+		return name || parent.email;
+	}
+
+	function selectParent(parent: ParentResult) {
+		selectedLabel = formatParentLabel(parent);
+		query = selectedLabel;
+		isOpen = false;
+		results = [];
+		activeIndex = -1;
+		onSelect(parent);
+	}
+
+	function handleKeydown(event: KeyboardEvent) {
+		if (!isOpen || results.length === 0) {
+			if (event.key === 'Escape') {
+				isOpen = false;
+			}
+			return;
+		}
+
+		switch (event.key) {
+			case 'ArrowDown':
+				event.preventDefault();
+				activeIndex = (activeIndex + 1) % results.length;
+				break;
+			case 'ArrowUp':
+				event.preventDefault();
+				activeIndex = activeIndex <= 0 ? results.length - 1 : activeIndex - 1;
+				break;
+			case 'Enter': {
+				event.preventDefault();
+				const selected = results[activeIndex];
+				if (activeIndex >= 0 && selected) {
+					selectParent(selected);
+				}
+				break;
+			}
+			case 'Escape':
+				isOpen = false;
+				activeIndex = -1;
+				break;
+		}
+	}
+
+	function handleClickOutside(event: MouseEvent) {
+		const target = event.target;
+		if (containerEl && target instanceof HTMLElement && !containerEl.contains(target)) {
+			isOpen = false;
+			activeIndex = -1;
+		}
+	}
+
+	function optionId(index: number): string {
+		return `${listboxId}-option-${index}`;
+	}
+
+	export function clear() {
+		query = '';
+		selectedLabel = '';
+		results = [];
+		isOpen = false;
+		activeIndex = -1;
+	}
+</script>
+
+<svelte:document onclick={handleClickOutside} />
+
+<div class="parent-search" bind:this={containerEl}>
+	<label for="parent-search-input" class="sr-only">{placeholder}</label>
+	<div class="input-wrapper">
+		<svg class="search-icon" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
+			<path fill-rule="evenodd" d="M9 3.5a5.5 5.5 0 100 11 5.5 5.5 0 000-11zM2 9a7 7 0 1112.452 4.391l3.328 3.329a.75.75 0 11-1.06 1.06l-3.329-3.328A7 7 0 012 9z" clip-rule="evenodd" />
+		</svg>
+		<input
+			bind:this={inputEl}
+			id="parent-search-input"
+			type="text"
+			role="combobox"
+			autocomplete="off"
+			aria-expanded={isOpen}
+			aria-controls={listboxId}
+			aria-activedescendant={activeIndex >= 0 ? optionId(activeIndex) : undefined}
+			aria-label={placeholder}
+			{placeholder}
+			value={query}
+			oninput={handleInput}
+			onkeydown={handleKeydown}
+		/>
+		{#if isLoading}
+			<span class="loading-indicator" aria-hidden="true">...</span>
+		{/if}
+	</div>
+
+	{#if isOpen}
+		<ul id={listboxId} role="listbox" class="dropdown" aria-label="Résultats de recherche parents">
+			{#if results.length === 0}
+				<li class="no-results" role="presentation">Aucun parent trouvé</li>
+			{:else}
+				{#each results as parent, index (parent.id)}
+					<li
+						id={optionId(index)}
+						role="option"
+						aria-selected={index === activeIndex}
+						class="option"
+						class:active={index === activeIndex}
+						onclick={() => selectParent(parent)}
+						onmouseenter={() => { activeIndex = index; }}
+					>
+						<span class="option-name">{formatParentLabel(parent)}</span>
+						{#if parent.firstName || parent.lastName}
+							<span class="option-email">{parent.email}</span>
+						{/if}
+					</li>
+				{/each}
+			{/if}
+		</ul>
+	{/if}
+</div>
+
+<style>
+	.parent-search {
+		position: relative;
+	}
+
+	.input-wrapper {
+		position: relative;
+		display: flex;
+		align-items: center;
+	}
+
+	.search-icon {
+		position: absolute;
+		left: 0.75rem;
+		width: 1.125rem;
+		height: 1.125rem;
+		color: #9ca3af;
+		pointer-events: none;
+	}
+
+	input {
+		width: 100%;
+		padding: 0.625rem 2.5rem 0.625rem 2.25rem;
+		border: 1px solid #d1d5db;
+		border-radius: 0.375rem;
+		font-size: 0.875rem;
+		color: #374151;
+		background: white;
+		transition: border-color 0.15s, box-shadow 0.15s;
+	}
+
+	input:focus {
+		outline: none;
+		border-color: #3b82f6;
+		box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
+	}
+
+	input::placeholder {
+		color: #9ca3af;
+	}
+
+	.loading-indicator {
+		position: absolute;
+		right: 0.75rem;
+		color: #9ca3af;
+		font-size: 0.75rem;
+	}
+
+	.dropdown {
+		position: absolute;
+		top: 100%;
+		left: 0;
+		right: 0;
+		margin-top: 0.25rem;
+		background: white;
+		border: 1px solid #d1d5db;
+		border-radius: 0.375rem;
+		box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
+		max-height: 15rem;
+		overflow-y: auto;
+		z-index: 10;
+		list-style: none;
+		padding: 0.25rem 0;
+		margin: 0.25rem 0 0;
+	}
+
+	.option {
+		padding: 0.5rem 0.75rem;
+		cursor: pointer;
+		display: flex;
+		flex-direction: column;
+		gap: 0.125rem;
+		transition: background 0.1s;
+	}
+
+	.option:hover,
+	.option.active {
+		background: #eff6ff;
+	}
+
+	.option-name {
+		font-size: 0.875rem;
+		font-weight: 500;
+		color: #1f2937;
+	}
+
+	.option-email {
+		font-size: 0.75rem;
+		color: #6b7280;
+	}
+
+	.no-results {
+		padding: 0.75rem;
+		text-align: center;
+		color: #6b7280;
+		font-size: 0.875rem;
+	}
+
+	.sr-only {
+		position: absolute;
+		width: 1px;
+		height: 1px;
+		padding: 0;
+		margin: -1px;
+		overflow: hidden;
+		clip: rect(0, 0, 0, 0);
+		white-space: nowrap;
+		border-width: 0;
+	}
+</style>
diff --git a/frontend/src/lib/components/organisms/GuardianList/GuardianList.svelte b/frontend/src/lib/components/organisms/GuardianList/GuardianList.svelte
index 9dd0312..6ace877 100644
--- a/frontend/src/lib/components/organisms/GuardianList/GuardianList.svelte
+++ b/frontend/src/lib/components/organisms/GuardianList/GuardianList.svelte
@@ -1,6 +1,7 @@
 <script lang="ts">
 	import { getApiBaseUrl } from '$lib/api/config';
 	import { authenticatedFetch } from '$lib/auth';
+	import ParentSearchInput from '$lib/components/molecules/ParentSearchInput/ParentSearchInput.svelte';
 
 	interface Guardian {
 		id: string;
@@ -37,8 +38,10 @@
 	// Add guardian modal
 	let showAddModal = $state(false);
 	let newGuardianId = $state('');
+	let selectedParentLabel = $state('');
 	let newRelationshipType = $state('autre');
 	let isSubmitting = $state(false);
+	let parentSearchInput: { clear: () => void } | undefined = $state();
 
 	// Confirm remove
 	let confirmRemoveId = $state<string | null>(null);
@@ -92,7 +95,9 @@
 			successMessage = 'Parent ajouté avec succès';
 			showAddModal = false;
 			newGuardianId = '';
+			selectedParentLabel = '';
 			newRelationshipType = 'autre';
+			parentSearchInput?.clear();
 			await loadGuardians();
 			globalThis.setTimeout(() => { successMessage = null; }, 3000);
 		} catch (e) {
@@ -209,14 +214,23 @@
 				onsubmit={(e) => { e.preventDefault(); addGuardian(); }}
 			>
 				<div class="form-group">
-					<label for="guardianId">ID du parent</label>
-					<input
-						id="guardianId"
-						type="text"
-						bind:value={newGuardianId}
-						placeholder="UUID du compte parent"
-						required
+					<label for="parent-search-input">Parent</label>
+					<ParentSearchInput
+						bind:this={parentSearchInput}
+						excludeIds={guardians.map(g => g.guardianId)}
+						onSelect={(parent) => {
+							newGuardianId = parent.id;
+							const name = `${parent.firstName} ${parent.lastName}`.trim();
+							selectedParentLabel = name || parent.email;
+						}}
+						onClear={() => {
+							newGuardianId = '';
+							selectedParentLabel = '';
+						}}
 					/>
+					{#if selectedParentLabel}
+						<span class="selected-parent">Sélectionné : {selectedParentLabel}</span>
+					{/if}
 				</div>
 				<div class="form-group">
 					<label for="relationshipType">Type de relation</label>
@@ -466,7 +480,12 @@
 		color: #374151;
 	}
 
-	.form-group input,
+	.selected-parent {
+		font-size: 0.8125rem;
+		color: #166534;
+		font-weight: 500;
+	}
+
 	.form-group select {
 		padding: 0.625rem 0.75rem;
 		border: 1px solid #d1d5db;
@@ -474,7 +493,6 @@
 		font-size: 0.875rem;
 	}
 
-	.form-group input:focus,
 	.form-group select:focus {
 		outline: none;
 		border-color: #3b82f6;
diff --git a/frontend/tests/unit/lib/components/molecules/ParentSearchInput/ParentSearchInput.test.ts b/frontend/tests/unit/lib/components/molecules/ParentSearchInput/ParentSearchInput.test.ts
new file mode 100644
index 0000000..6c03e9f
--- /dev/null
+++ b/frontend/tests/unit/lib/components/molecules/ParentSearchInput/ParentSearchInput.test.ts
@@ -0,0 +1,361 @@
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+import { render, screen, fireEvent } from '@testing-library/svelte';
+
+vi.mock('$lib/api/config', () => ({
+	getApiBaseUrl: () => 'http://test.classeo.local:18000/api'
+}));
+
+const mockAuthenticatedFetch = vi.fn();
+vi.mock('$lib/auth', () => ({
+	authenticatedFetch: (...args: unknown[]) => mockAuthenticatedFetch(...args)
+}));
+
+import ParentSearchInput from '$lib/components/molecules/ParentSearchInput/ParentSearchInput.svelte';
+
+function mockApiResponse(members: Record<string, string>[]) {
+	mockAuthenticatedFetch.mockResolvedValueOnce({
+		ok: true,
+		json: () => Promise.resolve({ member: members })
+	});
+}
+
+const PARENT_DUPONT = { id: 'uuid-1', firstName: 'Jean', lastName: 'Dupont', email: 'jean@test.com' };
+const PARENT_MARTIN = { id: 'uuid-2', firstName: 'Marie', lastName: 'Martin', email: 'marie@test.com' };
+const PARENT_NO_NAME = { id: 'uuid-3', firstName: '', lastName: '', email: 'noname@test.com' };
+
+describe('ParentSearchInput', () => {
+	beforeEach(() => {
+		vi.useFakeTimers();
+		vi.clearAllMocks();
+	});
+
+	afterEach(() => {
+		vi.useRealTimers();
+	});
+
+	it('renders with combobox role', () => {
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		expect(screen.getByRole('combobox')).toBeTruthy();
+	});
+
+	it('renders with default placeholder', () => {
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		expect(screen.getByPlaceholderText('Rechercher un parent par nom ou email...')).toBeTruthy();
+	});
+
+	it('renders with custom placeholder', () => {
+		render(ParentSearchInput, {
+			props: { onSelect: vi.fn(), placeholder: 'Chercher...' }
+		});
+
+		expect(screen.getByPlaceholderText('Chercher...')).toBeTruthy();
+	});
+
+	it('does not search with less than 2 characters', async () => {
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'a' } });
+		vi.advanceTimersByTime(300);
+
+		expect(mockAuthenticatedFetch).not.toHaveBeenCalled();
+	});
+
+	it('debounces and searches after 300ms with 2+ characters', async () => {
+		mockApiResponse([PARENT_DUPONT]);
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'dup' } });
+
+		// Not called immediately
+		expect(mockAuthenticatedFetch).not.toHaveBeenCalled();
+
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		expect(mockAuthenticatedFetch).toHaveBeenCalledOnce();
+		const url = mockAuthenticatedFetch.mock.calls[0]![0] as string;
+		expect(url).toContain('role=ROLE_PARENT');
+		expect(url).toContain('search=dup');
+		expect(url).toContain('itemsPerPage=10');
+	});
+
+	it('displays results in dropdown', async () => {
+		mockApiResponse([PARENT_DUPONT, PARENT_MARTIN]);
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'test' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		const options = screen.getAllByRole('option');
+		expect(options).toHaveLength(2);
+		expect(options[0]!.textContent).toContain('Jean Dupont');
+		expect(options[0]!.textContent).toContain('jean@test.com');
+		expect(options[1]!.textContent).toContain('Marie Martin');
+	});
+
+	it('shows "Aucun parent trouvé" when no results', async () => {
+		mockApiResponse([]);
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'xyz' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		expect(screen.getByText('Aucun parent trouvé')).toBeTruthy();
+	});
+
+	it('calls onSelect when clicking a result', async () => {
+		mockApiResponse([PARENT_DUPONT]);
+		const onSelect = vi.fn();
+		render(ParentSearchInput, { props: { onSelect } });
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'dup' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		const option = screen.getAllByRole('option')[0]!;
+		await fireEvent.click(option);
+
+		expect(onSelect).toHaveBeenCalledOnce();
+		expect(onSelect).toHaveBeenCalledWith(PARENT_DUPONT);
+	});
+
+	it('closes dropdown after selection', async () => {
+		mockApiResponse([PARENT_DUPONT]);
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'dup' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		await fireEvent.click(screen.getAllByRole('option')[0]!);
+
+		expect(screen.queryByRole('listbox')).toBeNull();
+	});
+
+	it('updates input value with selected parent name', async () => {
+		mockApiResponse([PARENT_DUPONT]);
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		const input = screen.getByRole('combobox') as HTMLInputElement;
+		await fireEvent.input(input, { target: { value: 'dup' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		await fireEvent.click(screen.getAllByRole('option')[0]!);
+
+		expect(input.value).toBe('Jean Dupont');
+	});
+
+	it('shows email as fallback when names are empty', async () => {
+		mockApiResponse([PARENT_NO_NAME]);
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'noname' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		const option = screen.getAllByRole('option')[0]!;
+		expect(option.textContent).toContain('noname@test.com');
+	});
+
+	it('sets input to email when selecting parent without name', async () => {
+		mockApiResponse([PARENT_NO_NAME]);
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		const input = screen.getByRole('combobox') as HTMLInputElement;
+		await fireEvent.input(input, { target: { value: 'noname' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		await fireEvent.click(screen.getAllByRole('option')[0]!);
+
+		expect(input.value).toBe('noname@test.com');
+	});
+
+	it('closes dropdown on Escape', async () => {
+		mockApiResponse([PARENT_DUPONT]);
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'dup' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		expect(screen.getByRole('listbox')).toBeTruthy();
+
+		await fireEvent.keyDown(input, { key: 'Escape' });
+
+		expect(screen.queryByRole('listbox')).toBeNull();
+	});
+
+	it('navigates options with ArrowDown', async () => {
+		mockApiResponse([PARENT_DUPONT, PARENT_MARTIN]);
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'test' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		await fireEvent.keyDown(input, { key: 'ArrowDown' });
+
+		const options = screen.getAllByRole('option');
+		expect(options[0]!.getAttribute('aria-selected')).toBe('true');
+		expect(options[1]!.getAttribute('aria-selected')).toBe('false');
+
+		await fireEvent.keyDown(input, { key: 'ArrowDown' });
+
+		expect(options[0]!.getAttribute('aria-selected')).toBe('false');
+		expect(options[1]!.getAttribute('aria-selected')).toBe('true');
+	});
+
+	it('navigates options with ArrowUp', async () => {
+		mockApiResponse([PARENT_DUPONT, PARENT_MARTIN]);
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'test' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		// ArrowUp from -1 wraps to last item
+		await fireEvent.keyDown(input, { key: 'ArrowUp' });
+
+		const options = screen.getAllByRole('option');
+		expect(options[1]!.getAttribute('aria-selected')).toBe('true');
+
+		await fireEvent.keyDown(input, { key: 'ArrowUp' });
+
+		expect(options[0]!.getAttribute('aria-selected')).toBe('true');
+		expect(options[1]!.getAttribute('aria-selected')).toBe('false');
+	});
+
+	it('selects option with Enter key', async () => {
+		mockApiResponse([PARENT_DUPONT, PARENT_MARTIN]);
+		const onSelect = vi.fn();
+		render(ParentSearchInput, { props: { onSelect } });
+
+		const input = screen.getByRole('combobox') as HTMLInputElement;
+		await fireEvent.input(input, { target: { value: 'test' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		// Navigate to first option and press Enter
+		await fireEvent.keyDown(input, { key: 'ArrowDown' });
+		await fireEvent.keyDown(input, { key: 'Enter' });
+
+		expect(onSelect).toHaveBeenCalledOnce();
+		expect(onSelect).toHaveBeenCalledWith(PARENT_DUPONT);
+		expect(input.value).toBe('Jean Dupont');
+		expect(screen.queryByRole('listbox')).toBeNull();
+	});
+
+	it('wraps ArrowDown from last to first option', async () => {
+		mockApiResponse([PARENT_DUPONT, PARENT_MARTIN]);
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'test' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		// Navigate to last, then one more wraps to first
+		await fireEvent.keyDown(input, { key: 'ArrowDown' }); // index 0
+		await fireEvent.keyDown(input, { key: 'ArrowDown' }); // index 1
+		await fireEvent.keyDown(input, { key: 'ArrowDown' }); // wraps to 0
+
+		const options = screen.getAllByRole('option');
+		expect(options[0]!.getAttribute('aria-selected')).toBe('true');
+		expect(options[1]!.getAttribute('aria-selected')).toBe('false');
+	});
+
+	it('does not select with Enter when no option is active', async () => {
+		mockApiResponse([PARENT_DUPONT]);
+		const onSelect = vi.fn();
+		render(ParentSearchInput, { props: { onSelect } });
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'dup' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		// Press Enter without navigating (activeIndex = -1)
+		await fireEvent.keyDown(input, { key: 'Enter' });
+
+		expect(onSelect).not.toHaveBeenCalled();
+		expect(screen.getByRole('listbox')).toBeTruthy();
+	});
+
+	it('filters out excluded IDs from results', async () => {
+		mockApiResponse([PARENT_DUPONT, PARENT_MARTIN]);
+		render(ParentSearchInput, {
+			props: { onSelect: vi.fn(), excludeIds: ['uuid-1'] }
+		});
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'test' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		const options = screen.getAllByRole('option');
+		expect(options).toHaveLength(1);
+		expect(options[0]!.textContent).toContain('Marie Martin');
+	});
+
+	it('calls onClear when user retypes after selection', async () => {
+		mockApiResponse([PARENT_DUPONT]);
+		const onClear = vi.fn();
+		const onSelect = vi.fn();
+		render(ParentSearchInput, { props: { onSelect, onClear } });
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'dup' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		// Select a parent
+		await fireEvent.click(screen.getAllByRole('option')[0]!);
+		expect(onSelect).toHaveBeenCalledOnce();
+		expect(onClear).not.toHaveBeenCalled();
+
+		// Retype in the input — should trigger onClear
+		mockApiResponse([PARENT_DUPONT]);
+		await fireEvent.input(input, { target: { value: 'mar' } });
+		expect(onClear).toHaveBeenCalledOnce();
+	});
+
+	it('does not call onClear when typing without prior selection', async () => {
+		const onClear = vi.fn();
+		render(ParentSearchInput, { props: { onSelect: vi.fn(), onClear } });
+
+		const input = screen.getByRole('combobox');
+		await fireEvent.input(input, { target: { value: 'test' } });
+
+		expect(onClear).not.toHaveBeenCalled();
+	});
+
+	it('sets aria-expanded correctly', async () => {
+		mockApiResponse([PARENT_DUPONT]);
+		render(ParentSearchInput, { props: { onSelect: vi.fn() } });
+
+		const input = screen.getByRole('combobox');
+		expect(input.getAttribute('aria-expanded')).toBe('false');
+
+		await fireEvent.input(input, { target: { value: 'dup' } });
+		vi.advanceTimersByTime(300);
+		await vi.runAllTimersAsync();
+
+		expect(input.getAttribute('aria-expanded')).toBe('true');
+	});
+});