diff --git a/backend/src/api/user.ts b/backend/src/api/user.ts
index d4a332a2..bb367235 100644
--- a/backend/src/api/user.ts
+++ b/backend/src/api/user.ts
@@ -1,11 +1,12 @@
 import { SelectUser, userTable } from '@/drizzle/schema';
 import { zValidator } from '@hono/zod-validator';
-import { and, asc, eq, like } from 'drizzle-orm';
+import { and, asc, eq, inArray, like } from 'drizzle-orm';
 import { drizzle } from 'drizzle-orm/d1';
 import { Hono } from 'hono';
 import {
 	createUserBody,
 	deleteUserParams,
+	deleteUsersBody,
 	getUserParams,
 	getUserResponse,
 	getUsersQueryParams,
@@ -151,6 +152,39 @@ app.post(
 	},
 );
 
+app.delete(
+	'/',
+	zValidator('json', deleteUsersBody, (result, ctx) => {
+		if (!result.success) {
+			return ctx.json(
+				{
+					message: 'Request Body Validation Error',
+					error: result.error,
+				},
+				400,
+			);
+		}
+	}),
+	async (ctx) => {
+		const authed = await isLoggedIn(ctx);
+		if (!authed) {
+			return ctx.json(
+				{
+					message: 'Unauthorized',
+				},
+				401,
+			);
+		}
+
+		const { userIdList } = ctx.req.valid('json');
+
+		const db = drizzle(ctx.env.DB);
+		await db.delete(userTable).where(inArray(userTable.id, userIdList));
+
+		return ctx.body(null, 204);
+	},
+);
+
 app.get(
 	'/:userId',
 	zValidator('param', getUserParams, (result, ctx) => {
diff --git a/backend/test/api/books.test.ts b/backend/test/api/books.test.ts
index 84d672aa..f65fae42 100644
--- a/backend/test/api/books.test.ts
+++ b/backend/test/api/books.test.ts
@@ -320,34 +320,37 @@ describe('DELETE /books', () => {
 		bookFactory.resetSequenceNumber();
 	});
 
-	loggedInTest('should delete books', async ({ currentUser, sessionToken }) => {
-		const before = await db.select({ count: count() }).from(bookTable);
+	loggedInTest(
+		'should delete books successfully',
+		async ({ currentUser, sessionToken }) => {
+			const before = await db.select({ count: count() }).from(bookTable);
 
-		const bookIdList = [1, 2];
+			const bookIdList = [1, 2];
 
-		const response = await app.request(
-			'/books',
-			{
-				method: 'DELETE',
-				headers: {
-					'Content-Type': 'application/json',
-					Cookie: [
-						`__Secure-user_id=${currentUser.id}`,
-						`__Secure-session_token=${sessionToken}`,
-					].join('; '),
+			const response = await app.request(
+				'/books',
+				{
+					method: 'DELETE',
+					headers: {
+						'Content-Type': 'application/json',
+						Cookie: [
+							`__Secure-user_id=${currentUser.id}`,
+							`__Secure-session_token=${sessionToken}`,
+						].join('; '),
+					},
+					body: JSON.stringify({ bookIdList: bookIdList }),
 				},
-				body: JSON.stringify({ bookIdList: bookIdList }),
-			},
-			env,
-		);
+				env,
+			);
 
-		// ステータスコード
-		expect(response.status).toBe(204);
+			// ステータスコード
+			expect(response.status).toBe(204);
 
-		// データベースから書籍が削除されていることを確認する
-		const after = await db.select({ count: count() }).from(bookTable);
-		expect(after[0].count).toBe(before[0].count - bookIdList.length);
-	});
+			// データベースから書籍が削除されていることを確認する
+			const after = await db.select({ count: count() }).from(bookTable);
+			expect(after[0].count).toBe(before[0].count - bookIdList.length);
+		},
+	);
 
 	it('should return 400 when bookIdList is not array', async () => {
 		const response = await app.request(
diff --git a/backend/test/api/users.test.ts b/backend/test/api/users.test.ts
index c8035932..6060e50c 100644
--- a/backend/test/api/users.test.ts
+++ b/backend/test/api/users.test.ts
@@ -84,7 +84,7 @@ describe('GET /users', () => {
 describe('POST /users', () => {
 	const db = drizzle(env.DB);
 
-	afterAll(() => {
+	afterAll(async () => {
 		userFactory.resetSequenceNumber();
 	});
 
@@ -327,3 +327,81 @@ describe('POST /users', () => {
 		},
 	);
 });
+
+describe('DELETE /users', () => {
+	const db = drizzle(env.DB);
+
+	beforeAll(async () => {
+		const users = userFactory.buildList(5);
+		await db.insert(userTable).values(users);
+	});
+
+	afterAll(async () => {
+		await db.delete(userTable);
+		userFactory.resetSequenceNumber();
+	});
+
+	loggedInTest(
+		'should delete users successfully',
+		async ({ currentUser, sessionToken }) => {
+			const before = await db.select({ count: count() }).from(userTable);
+
+			const userIdList = [1, 2];
+
+			const response = await app.request(
+				'/users',
+				{
+					method: 'DELETE',
+					headers: {
+						'Content-Type': 'application/json',
+						Cookie: [
+							`__Secure-user_id=${currentUser.id}`,
+							`__Secure-session_token=${sessionToken}`,
+						].join('; '),
+					},
+					body: JSON.stringify({ userIdList: userIdList }),
+				},
+				env,
+			);
+
+			// ステータスコード
+			expect(response.status).toBe(204);
+
+			// データベースからユーザが削除されていることを確認する
+			const after = await db.select({ count: count() }).from(userTable);
+			expect(after[0].count).toBe(before[0].count - userIdList.length);
+		},
+	);
+
+	it('should return 400 when userIdList is not array', async () => {
+		const response = await app.request(
+			'/users',
+			{
+				method: 'DELETE',
+				headers: {
+					'Content-Type': 'application/json',
+				},
+				body: JSON.stringify({ userIdList: 1 }),
+			},
+			env,
+		);
+
+		expect(response.status).toBe(400);
+	});
+
+	it('should return 401 when not logged in', async () => {
+		const response = await app.request(
+			'/users',
+			{
+				method: 'DELETE',
+				headers: {
+					'Content-Type': 'application/json',
+				},
+				body: JSON.stringify({ userIdList: [1] }),
+			},
+			env,
+		);
+
+		expect(response.status).toBe(401);
+	});
+});
diff --git a/backend/test/context/login.ts b/backend/test/context/login.ts
index 0e902c07..60485217 100644
--- a/backend/test/context/login.ts
+++ b/backend/test/context/login.ts
@@ -17,10 +17,11 @@ export const loggedInTest = test.extend({
 		const db = drizzle(env.DB);
 		const sessionToken = crypto.randomUUID();
 
+		const { id, ...rest } = user;
 		const insertUser = await db
 			.insert(userTable)
 			.values({
-				...user,
+				...rest,
 				sessionToken,
 			})
 			.returning();