diff --git a/backend/src/database/schemas/users.ts b/backend/src/database/schemas/users.ts
index 86ce9dc..ce5d20f 100644
--- a/backend/src/database/schemas/users.ts
+++ b/backend/src/database/schemas/users.ts
@@ -36,6 +36,8 @@ export const users = pgTable(
 		// Sécurité
 		twoFactorSecret: pgpEncrypted("two_factor_secret"),
 		isTwoFactorEnabled: boolean("is_two_factor_enabled").notNull().default(false),
+		showOnlineStatus: boolean("show_online_status").notNull().default(true),
+		showReadReceipts: boolean("show_read_receipts").notNull().default(true),
 
 		// RGPD & Conformité
 		termsVersion: varchar("terms_version", { length: 16 }), // Version des CGU acceptées
diff --git a/backend/src/users/repositories/users.repository.ts b/backend/src/users/repositories/users.repository.ts
index 0c3d3a0..30662df 100644
--- a/backend/src/users/repositories/users.repository.ts
+++ b/backend/src/users/repositories/users.repository.ts
@@ -47,6 +47,8 @@ export class UsersRepository {
 				bio: users.bio,
 				status: users.status,
 				isTwoFactorEnabled: users.isTwoFactorEnabled,
+				showOnlineStatus: users.showOnlineStatus,
+				showReadReceipts: users.showReadReceipts,
 				createdAt: users.createdAt,
 				updatedAt: users.updatedAt,
 			})
diff --git a/backend/src/users/users.module.ts b/backend/src/users/users.module.ts
index ad010c9..7cdc0ee 100644
--- a/backend/src/users/users.module.ts
+++ b/backend/src/users/users.module.ts
@@ -1,13 +1,19 @@
 import { forwardRef, Module } from "@nestjs/common";
 import { AuthModule } from "../auth/auth.module";
 import { MediaModule } from "../media/media.module";
+import { RealtimeModule } from "../realtime/realtime.module";
 import { S3Module } from "../s3/s3.module";
 import { UsersRepository } from "./repositories/users.repository";
 import { UsersController } from "./users.controller";
 import { UsersService } from "./users.service";
 
 @Module({
-	imports: [forwardRef(() => AuthModule), MediaModule, S3Module],
+	imports: [
+		forwardRef(() => AuthModule),
+		MediaModule,
+		S3Module,
+		forwardRef(() => RealtimeModule),
+	],
 	controllers: [UsersController],
 	providers: [UsersService, UsersRepository],
 	exports: [UsersService, UsersRepository],
diff --git a/backend/src/users/users.service.spec.ts b/backend/src/users/users.service.spec.ts
index fdf2461..64618b2 100644
--- a/backend/src/users/users.service.spec.ts
+++ b/backend/src/users/users.service.spec.ts
@@ -20,6 +20,7 @@ import { ConfigService } from "@nestjs/config";
 import { Test, TestingModule } from "@nestjs/testing";
 import { RbacService } from "../auth/rbac.service";
 import { MediaService } from "../media/media.service";
+import { EventsGateway } from "../realtime/events.gateway";
 import { S3Service } from "../s3/s3.service";
 import { UsersRepository } from "./repositories/users.repository";
 import { UsersService } from "./users.service";
@@ -49,6 +50,7 @@ describe("UsersService", () => {
 
 	const mockRbacService = {
 		getUserRoles: jest.fn(),
+		assignRoleToUser: jest.fn(),
 	};
 
 	const mockMediaService = {
@@ -65,6 +67,11 @@ describe("UsersService", () => {
 		get: jest.fn(),
 	};
 
+	const mockEventsGateway = {
+		isUserOnline: jest.fn(),
+		broadcastStatus: jest.fn(),
+	};
+
 	beforeEach(async () => {
 		jest.clearAllMocks();
 
@@ -77,6 +84,7 @@ describe("UsersService", () => {
 				{ provide: MediaService, useValue: mockMediaService },
 				{ provide: S3Service, useValue: mockS3Service },
 				{ provide: ConfigService, useValue: mockConfigService },
+				{ provide: EventsGateway, useValue: mockEventsGateway },
 			],
 		}).compile();
 
diff --git a/backend/src/users/users.service.ts b/backend/src/users/users.service.ts
index 4d82925..0876925 100644
--- a/backend/src/users/users.service.ts
+++ b/backend/src/users/users.service.ts
@@ -12,6 +12,7 @@ import { RbacService } from "../auth/rbac.service";
 import type { IMediaService } from "../common/interfaces/media.interface";
 import type { IStorageService } from "../common/interfaces/storage.interface";
 import { MediaService } from "../media/media.service";
+import { EventsGateway } from "../realtime/events.gateway";
 import { S3Service } from "../s3/s3.service";
 import { UpdateUserDto } from "./dto/update-user.dto";
 import { UsersRepository } from "./repositories/users.repository";
@@ -27,6 +28,8 @@ export class UsersService {
 		private readonly rbacService: RbacService,
 		@Inject(MediaService) private readonly mediaService: IMediaService,
 		@Inject(S3Service) private readonly s3Service: IStorageService,
+		@Inject(forwardRef(() => EventsGateway))
+		private readonly eventsGateway: EventsGateway,
 	) {}
 
 	private async clearUserCache(username?: string) {
@@ -137,6 +140,9 @@ export class UsersService {
 
 		const { role, ...userData } = data;
 
+		// On récupère l'utilisateur actuel avant mise à jour pour comparer les préférences
+		const oldUser = await this.usersRepository.findOne(uuid);
+
 		const result = await this.usersRepository.update(uuid, userData);
 
 		if (role) {
@@ -145,6 +151,21 @@ export class UsersService {
 
 		if (result[0]) {
 			await this.clearUserCache(result[0].username);
+
+			// Gérer le changement de préférence de statut en ligne
+			if (
+				data.showOnlineStatus !== undefined &&
+				data.showOnlineStatus !== oldUser?.showOnlineStatus
+			) {
+				const isOnline = this.eventsGateway.isUserOnline(uuid);
+				if (isOnline) {
+					if (data.showOnlineStatus) {
+						this.eventsGateway.broadcastStatus(uuid, "online");
+					} else {
+						this.eventsGateway.broadcastStatus(uuid, "offline");
+					}
+				}
+			}
 		}
 		return result;
 	}
diff --git a/frontend/src/types/user.ts b/frontend/src/types/user.ts
index 1c13a9c..74e1ab4 100644
--- a/frontend/src/types/user.ts
+++ b/frontend/src/types/user.ts
@@ -9,6 +9,8 @@ export interface User {
 	role?: "user" | "admin" | "moderator";
 	status?: "active" | "verification" | "suspended" | "pending" | "deleted";
 	twoFactorEnabled?: boolean;
+	showOnlineStatus?: boolean;
+	showReadReceipts?: boolean;
 	createdAt: string;
 }