diff --git a/src/handlers/adminHandlers.ts b/src/handlers/adminHandlers.ts
index ef57814..59485be 100644
--- a/src/handlers/adminHandlers.ts
+++ b/src/handlers/adminHandlers.ts
@@ -12,6 +12,7 @@ import { Timestamp } from "firebase-admin/firestore";
 import type { OrderStatus, ProductDoc } from "../types/reward";
 import { transitionOrder } from "../services/orderService";
 import { invalidateRewardCatalog } from "../services/rewardCatalogService";
+import { listAdminUsers, searchAdminUsers } from "../services/adminUserService";
 import {
   toAdminProductDto, toLedgerEntryDto, toOrderDto, toWalletDto,
   type AdminProductDto, type LedgerPageDto, type OrderPageDto,
@@ -98,6 +99,17 @@ export const admin = onRequest(async (req, res) => {
     }
     if (tail === "order/status" && req.method === "POST") { const { orderId, status } = req.body ?? {}; res.json(await transitionOrder(orderId, status as OrderStatus, adminUid, { admin: true })); return; }
 
+    if (tail === "users/search" && req.method === "GET") {
+      res.json(await searchAdminUsers(req.query.q, req.query.limit));
+      return;
+    }
+
+    if (tail === "users/list" && req.method === "GET") {
+      const cursor = typeof req.query.cursor === "string" ? req.query.cursor : undefined;
+      res.json(await listAdminUsers(req.query.limit, cursor));
+      return;
+    }
+
     if (tail === "products/list" && req.method === "GET") {
       const products = await listAllProducts();
       const dto: AdminProductDto[] = products.map((p) => toAdminProductDto(p.id, p));
diff --git a/src/repositories/userRepository.ts b/src/repositories/userRepository.ts
index 37b8c3d..b83e2da 100644
--- a/src/repositories/userRepository.ts
+++ b/src/repositories/userRepository.ts
@@ -188,6 +188,50 @@ export async function findUidByDisplayName(
   return snap.empty ? null : snap.docs[0].id;
 }
 
+/** 어드민 검색/목록용 — 문서 id(uid)를 함께 얹은 형태. */
+export interface UserWithUid {
+  uid: string;
+  user: User;
+}
+
+/**
+ * displayName 접두어로 유저를 검색한다 (어드민 콘솔용).
+ * Firestore 접두어 쿼리(orderBy + startAt/endAt )라 중간 문자열 매치는 안 된다.
+ */
+export async function searchUsersByDisplayNamePrefix(
+  prefix: string,
+  limit = 10
+): Promise<UserWithUid[]> {
+  const snap = await firestore
+    .collection(COLLECTION)
+    .orderBy("displayName")
+    .startAt(prefix)
+    .endAt(prefix + "")
+    .limit(Math.min(Math.max(limit, 1), 30))
+    .get();
+  return snap.docs.map((d) => ({ uid: d.id, user: d.data() as User }));
+}
+
+/** 가입일 내림차순 유저 목록 (어드민 콘솔용). cursor 는 직전 페이지 마지막 문서의 uid. */
+export async function listUsersByCreatedAt(
+  limit = 20,
+  cursor?: string
+): Promise<{ items: UserWithUid[]; cursor: string | null }> {
+  let q = firestore
+    .collection(COLLECTION)
+    .orderBy("createdAt", "desc")
+    .limit(Math.min(Math.max(limit, 1), 100));
+  if (cursor) {
+    const c = await firestore.collection(COLLECTION).doc(cursor).get();
+    if (c.exists) q = q.startAfter(c) as typeof q;
+  }
+  const snap = await q.get();
+  return {
+    items: snap.docs.map((d) => ({ uid: d.id, user: d.data() as User })),
+    cursor: snap.docs.length ? snap.docs[snap.docs.length - 1].id : null,
+  };
+}
+
 /**
  * 신규 유저 문서를 생성한다. `createdAt`은 서버 타임스탬프로 기록되며,
  * 같은 UID가 있으면 전체 덮어쓴다(`merge: false`).
diff --git a/src/services/adminUserService.ts b/src/services/adminUserService.ts
new file mode 100644
index 0000000..7f48730
--- /dev/null
+++ b/src/services/adminUserService.ts
@@ -0,0 +1,67 @@
+import { auth } from "../firebase";
+import { HttpError } from "../middleware/errors";
+import {
+  getUser,
+  listUsersByCreatedAt,
+  searchUsersByDisplayNamePrefix,
+} from "../repositories/userRepository";
+import type { User } from "../types/panit";
+import {
+  toAdminUserDto,
+  type AdminUserDto,
+  type AdminUserPageDto,
+} from "../types/dto/adminUserDto";
+
+const MAX_SEARCH_RESULTS = 30;
+
+/**
+ * 어드민 유저 통합 검색. 한 입력으로 세 경로를 함께 조회한다:
+ * - uid 정확 일치 (공백 없는 10자 이상 입력일 때만 문서 1건 조회)
+ * - 이메일 정확 일치 ('@' 포함 시 Auth 조회 — user 문서가 없으면 결과 제외)
+ * - displayName 접두어 매치 (Firestore 접두어 쿼리라 중간 문자열 매치는 안 됨)
+ * 결과는 uid 기준 중복 제거하며 정확 일치를 앞에 둔다.
+ */
+export async function searchAdminUsers(
+  qRaw: unknown,
+  limitRaw: unknown
+): Promise<AdminUserDto[]> {
+  if (typeof qRaw !== "string" || qRaw.trim().length === 0) {
+    throw new HttpError(400, "q is required", "INVALID_INPUT");
+  }
+  const q = qRaw.trim();
+  const limit = Math.min(Math.max(Number(limitRaw) || 10, 1), MAX_SEARCH_RESULTS);
+
+  const results = new Map<string, AdminUserDto>();
+  const add = (uid: string, user: User | null) => {
+    if (user && !results.has(uid)) results.set(uid, toAdminUserDto(uid, user));
+  };
+
+  if (!q.includes(" ") && q.length >= 10) {
+    add(q, await getUser(q));
+  }
+  if (q.includes("@")) {
+    try {
+      const record = await auth.getUserByEmail(q);
+      add(record.uid, await getUser(record.uid));
+    } catch {
+      // 해당 이메일의 Auth 계정 없음 — 검색 결과에서 제외하면 된다.
+    }
+  }
+  for (const { uid, user } of await searchUsersByDisplayNamePrefix(q, limit)) {
+    add(uid, user);
+  }
+
+  return [...results.values()].slice(0, limit);
+}
+
+/** 가입일 내림차순 유저 목록 페이지. */
+export async function listAdminUsers(
+  limitRaw: unknown,
+  cursor?: string
+): Promise<AdminUserPageDto> {
+  const page = await listUsersByCreatedAt(Number(limitRaw) || 20, cursor);
+  return {
+    items: page.items.map(({ uid, user }) => toAdminUserDto(uid, user)),
+    cursor: page.cursor,
+  };
+}
diff --git a/src/types/dto/adminUserDto.ts b/src/types/dto/adminUserDto.ts
new file mode 100644
index 0000000..247b5bf
--- /dev/null
+++ b/src/types/dto/adminUserDto.ts
@@ -0,0 +1,40 @@
+import type { Provider, TeamCode, User } from "../panit";
+import { toIsoOrUndefined } from "./iso";
+
+/**
+ * 어드민 콘솔 유저 요약.
+ * streak/티어/티켓 등 lazy 보정이 필요한 필드는 의도적으로 제외한다
+ * (`userService.toUserProfile`와 같은 이유 — 해당 값은 /stats 경유가 원칙).
+ */
+export interface AdminUserDto {
+  uid: string;
+  displayName: string;
+  email: string;
+  photoUrl?: string;
+  provider: Provider;
+  favoriteTeamCode?: TeamCode;
+  /** active 필드가 없는 구(백필 전) 문서는 활성으로 간주한다. */
+  active: boolean;
+  createdAt?: string;
+  deactivatedAt?: string;
+}
+
+export interface AdminUserPageDto {
+  items: AdminUserDto[];
+  cursor: string | null;
+}
+
+/** User 문서를 어드민 요약 DTO로 변환한다. 날짜는 UTC ISO 문자열, 옵션 필드는 키 자체를 생략. */
+export function toAdminUserDto(uid: string, user: User): AdminUserDto {
+  return {
+    uid,
+    displayName: user.displayName,
+    email: user.email,
+    provider: user.provider,
+    active: user.active !== false,
+    ...(user.photoUrl !== undefined ? { photoUrl: user.photoUrl } : {}),
+    ...(user.favoriteTeamCode !== undefined ? { favoriteTeamCode: user.favoriteTeamCode } : {}),
+    ...(user.createdAt ? { createdAt: toIsoOrUndefined(user.createdAt) } : {}),
+    ...(user.deactivatedAt ? { deactivatedAt: toIsoOrUndefined(user.deactivatedAt) } : {}),
+  };
+}
diff --git a/tests/services/adminUserService.test.ts b/tests/services/adminUserService.test.ts
new file mode 100644
index 0000000..ec5e033
--- /dev/null
+++ b/tests/services/adminUserService.test.ts
@@ -0,0 +1,86 @@
+import { beforeAll, describe, expect, it } from "vitest";
+import { Timestamp } from "firebase-admin/firestore";
+import { firestore } from "../../src/firebase";
+import { listAdminUsers, searchAdminUsers } from "../../src/services/adminUserService";
+
+// 다른 테스트가 만드는 users 문서와 섞이지 않도록 고유 접두어를 쓴다.
+const PREFIX = "검색전용";
+
+const seedUsers = [
+  {
+    uid: "admin-user-search-test-1",
+    displayName: `${PREFIX}호랑이`,
+    email: "search-test-1@example.com",
+    provider: "google",
+    active: true,
+    createdAt: Timestamp.fromDate(new Date("2026-07-01T00:00:00Z")),
+  },
+  {
+    uid: "admin-user-search-test-2",
+    displayName: `${PREFIX}독수리`,
+    email: "search-test-2@example.com",
+    provider: "apple",
+    photoUrl: "https://example.com/p.png",
+    active: false,
+    deactivatedAt: Timestamp.fromDate(new Date("2026-07-10T00:00:00Z")),
+    createdAt: Timestamp.fromDate(new Date("2026-07-02T00:00:00Z")),
+  },
+] as const;
+
+beforeAll(async () => {
+  for (const { uid, ...doc } of seedUsers) {
+    await firestore.doc(`users/${uid}`).set(doc);
+  }
+});
+
+describe("searchAdminUsers", () => {
+  it("displayName 접두어로 검색되고 날짜는 UTC ISO 문자열로 나온다", async () => {
+    const results = await searchAdminUsers(PREFIX, 10);
+    const uids = results.map((u) => u.uid);
+    expect(uids).toContain("admin-user-search-test-1");
+    expect(uids).toContain("admin-user-search-test-2");
+
+    for (const dto of results) {
+      // Timestamp 인스턴스/_seconds 누출 금지 — 어드민 웹이 브라우저에서 그대로 소비한다.
+      expect(typeof dto.createdAt).toBe("string");
+      expect(dto.createdAt?.endsWith("Z")).toBe(true);
+    }
+  });
+
+  it("비활성 유저도 검색되며 active=false 로 표시된다", async () => {
+    const results = await searchAdminUsers(`${PREFIX}독수리`, 10);
+    expect(results).toHaveLength(1);
+    expect(results[0]).toMatchObject({
+      uid: "admin-user-search-test-2",
+      active: false,
+      photoUrl: "https://example.com/p.png",
+    });
+    expect(typeof results[0].deactivatedAt).toBe("string");
+  });
+
+  it("uid 정확 일치로도 찾는다", async () => {
+    const results = await searchAdminUsers("admin-user-search-test-1", 10);
+    expect(results[0]?.uid).toBe("admin-user-search-test-1");
+    expect(results[0]?.displayName).toBe(`${PREFIX}호랑이`);
+  });
+
+  it("빈 q 는 400", async () => {
+    await expect(searchAdminUsers("  ", 10)).rejects.toMatchObject({ status: 400 });
+  });
+});
+
+describe("listAdminUsers", () => {
+  it("가입일 내림차순 + 커서 페이지네이션", async () => {
+    const first = await listAdminUsers(1);
+    expect(first.items).toHaveLength(1);
+    expect(first.cursor).toBe(first.items[0].uid);
+
+    const second = await listAdminUsers(1, first.cursor ?? undefined);
+    if (second.items.length > 0) {
+      const firstDate = first.items[0].createdAt ?? "";
+      const secondDate = second.items[0].createdAt ?? "";
+      expect(secondDate <= firstDate).toBe(true);
+      expect(second.items[0].uid).not.toBe(first.items[0].uid);
+    }
+  });
+});