diff --git a/back/src/wos/wos.controller.ts b/back/src/wos/wos.controller.ts
index 71b9dcb..ccb7fb2 100644
--- a/back/src/wos/wos.controller.ts
+++ b/back/src/wos/wos.controller.ts
@@ -1,5 +1,8 @@
-import { Controller, Post, Get, Delete, Patch, Body, Param, Query, HttpCode } from '@nestjs/common';
+import { Controller, Post, Get, Delete, Patch, Body, Param, Query, HttpCode, BadRequestException, ForbiddenException } from '@nestjs/common';
 import { WosService } from './wos.service';
+import axios from 'axios';
+
+const ALLIANCE_API = 'http://localhost:3005/api';
 
 @Controller('api')
 export class WosController {
@@ -59,4 +62,25 @@ export class WosController {
   async deleteCoupon(@Param('id') id: string) {
     return this.wosService.deleteCoupon(Number(id));
   }
+
+  @Get('alliances')
+  async getAlliances() {
+    const { data } = await axios.get(`${ALLIANCE_API}/alliances`);
+    return data;
+  }
+
+  @Post('alliance-members')
+  @HttpCode(200)
+  async getAllianceMembers(@Body() body: { alliance_id: number; pin: string }) {
+    if (!body.alliance_id || !body.pin) throw new BadRequestException('alliance_id와 pin이 필요합니다');
+    try {
+      await axios.get(`${ALLIANCE_API}/alliances/${body.alliance_id}/pending`, { params: { pin: body.pin } });
+    } catch {
+      throw new ForbiddenException('PIN이 틀렸습니다');
+    }
+    const { data: members } = await axios.get(`${ALLIANCE_API}/members`, { params: { alliance_id: body.alliance_id } });
+    const wosUsers = await this.wosService.listUsers();
+    const nicknameSet = new Set(wosUsers.map((u: any) => u.nickname?.toLowerCase()));
+    return members.map((m: any) => ({ ...m, in_coupon_system: nicknameSet.has(m.nickname?.toLowerCase()) }));
+  }
 }
diff --git a/front/src/components/AlliancePanel.vue b/front/src/components/AlliancePanel.vue
new file mode 100644
index 0000000..0de0ff8
--- /dev/null
+++ b/front/src/components/AlliancePanel.vue
@@ -0,0 +1,326 @@
+<template>
+  <div class="alliance-panel">
+    <div class="panel-header" @click="expanded = !expanded">
+      <span>⚔️ 연맹원 목록</span>
+      <span class="toggle-arrow" :class="{ open: expanded }">▾</span>
+    </div>
+
+    <div v-if="expanded" class="panel-body">
+      <div v-if="!authed" class="auth-section">
+        <div class="field-row">
+          <select v-model="selectedAllianceId" class="select-input" :disabled="loadingAlliances">
+            <option value="">연맹 선택...</option>
+            <option v-for="a in alliances" :key="a.id" :value="a.id">
+              [{{ a.tag }}] {{ a.name }} (서버{{ a.server_number }})
+            </option>
+          </select>
+        </div>
+        <div class="field-row">
+          <input v-model="pin" type="password" class="pin-input" placeholder="R5 PIN 입력" @keyup.enter="doAuth" />
+          <button class="btn-auth" @click="doAuth" :disabled="authing || !selectedAllianceId || !pin.trim()">
+            {{ authing ? '확인중...' : '확인' }}
+          </button>
+        </div>
+        <div v-if="authError" class="error-msg">{{ authError }}</div>
+      </div>
+
+      <div v-else class="members-section">
+        <div class="members-header">
+          <span class="alliance-badge">⚔️ {{ currentAlliance?.tag }} {{ currentAlliance?.name }}</span>
+          <div class="header-actions">
+            <input v-model="memberSearch" class="search-input" placeholder="닉네임 검색..." />
+            <button class="btn-logout" @click="logout">나가기</button>
+          </div>
+        </div>
+
+        <div class="role-filter">
+          <button
+            v-for="r in roleFilters"
+            :key="r"
+            :class="['role-btn', { active: selectedRole === r }]"
+            @click="selectedRole = r"
+          >{{ r }}</button>
+        </div>
+
+        <div class="members-stats">
+          <span class="stat">전체 {{ filteredMembers.length }}명</span>
+          <span class="stat linked">✅ 쿠폰 등록: {{ linkedCount }}명</span>
+          <span class="stat unlinked">⚠️ 미등록: {{ filteredMembers.length - linkedCount }}명</span>
+        </div>
+
+        <div class="member-list">
+          <div
+            v-for="m in filteredMembers"
+            :key="m.id"
+            :class="['member-row', { linked: m.in_coupon_system }]"
+          >
+            <span :class="['role-tag', roleClass(m.role)]">{{ m.role }}</span>
+            <span class="unit-icon">{{ unitIcon(m.main_unit) }}</span>
+            <span class="nickname">{{ m.nickname }}</span>
+            <span class="power">{{ formatPower(m.power) }}</span>
+            <span v-if="m.in_coupon_system" class="coupon-badge">쿠폰 등록됨</span>
+            <span v-else class="coupon-miss">미등록</span>
+          </div>
+          <div v-if="filteredMembers.length === 0" class="empty">검색 결과가 없습니다</div>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, computed, onMounted } from 'vue'
+import axios from 'axios'
+
+interface Alliance {
+  id: number
+  server_number: number
+  tag: string
+  name: string
+}
+
+interface AllianceMember {
+  id: number
+  nickname: string
+  role: string
+  main_unit: string
+  power: number
+  in_coupon_system: boolean
+}
+
+const expanded = ref(false)
+const alliances = ref<Alliance[]>([])
+const loadingAlliances = ref(false)
+const selectedAllianceId = ref<number | ''>('')
+const pin = ref('')
+const authing = ref(false)
+const authError = ref('')
+const authed = ref(false)
+const currentAlliance = ref<Alliance | null>(null)
+const members = ref<AllianceMember[]>([])
+const memberSearch = ref('')
+const selectedRole = ref('전체')
+
+const roleFilters = ['전체', 'R5', 'R4', 'R3', 'R2', 'R1']
+
+const filteredMembers = computed(() => {
+  let list = members.value
+  if (selectedRole.value !== '전체') list = list.filter((m) => m.role === selectedRole.value)
+  const q = memberSearch.value.trim().toLowerCase()
+  if (q) list = list.filter((m) => m.nickname.toLowerCase().includes(q))
+  return list
+})
+
+const linkedCount = computed(() => filteredMembers.value.filter((m) => m.in_coupon_system).length)
+
+onMounted(async () => {
+  loadingAlliances.value = true
+  try {
+    const { data } = await axios.get('/api/alliances')
+    alliances.value = data
+  } finally {
+    loadingAlliances.value = false
+  }
+})
+
+async function doAuth() {
+  if (!selectedAllianceId.value || !pin.value.trim()) return
+  authing.value = true
+  authError.value = ''
+  try {
+    const { data } = await axios.post('/api/alliance-members', {
+      alliance_id: selectedAllianceId.value,
+      pin: pin.value.trim(),
+    })
+    members.value = data
+    currentAlliance.value = alliances.value.find((a) => a.id === selectedAllianceId.value) ?? null
+    authed.value = true
+  } catch (e: any) {
+    authError.value = e?.response?.data?.message || 'PIN이 틀렸거나 오류가 발생했습니다'
+  } finally {
+    authing.value = false
+  }
+}
+
+function logout() {
+  authed.value = false
+  members.value = []
+  pin.value = ''
+  authError.value = ''
+  currentAlliance.value = null
+}
+
+function roleClass(role: string) {
+  return { R5: 'r5', R4: 'r4', R3: 'r3', R2: 'r2', R1: 'r1' }[role] ?? ''
+}
+
+function unitIcon(u: string) {
+  return { infantry: '🛡', lancer: '🗡', marksman: '🏹', mixed: '⚔️' }[u] ?? '⚔️'
+}
+
+function formatPower(p: number) {
+  if (!p) return '-'
+  if (p >= 1_000_000_000) return (p / 1_000_000_000).toFixed(1) + 'B'
+  if (p >= 1_000_000) return (p / 1_000_000).toFixed(1) + 'M'
+  if (p >= 1_000) return (p / 1_000).toFixed(1) + 'K'
+  return String(p)
+}
+</script>
+
+<style scoped>
+.alliance-panel {
+  background: #1e1e2e;
+  border: 1px solid #2a2a3e;
+  border-radius: 12px;
+  overflow: hidden;
+}
+.panel-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 14px 18px;
+  cursor: pointer;
+  font-weight: 700;
+  font-size: 0.95rem;
+  color: #cdd6f4;
+  user-select: none;
+  transition: background 0.1s;
+}
+.panel-header:hover { background: #252535; }
+.toggle-arrow { font-size: 0.85rem; color: #6c7086; transition: transform 0.2s; }
+.toggle-arrow.open { transform: rotate(180deg); }
+
+.panel-body { padding: 16px; }
+
+.auth-section { display: flex; flex-direction: column; gap: 10px; }
+.field-row { display: flex; gap: 8px; }
+.select-input {
+  flex: 1;
+  background: #181825;
+  border: 1.5px solid #313244;
+  color: #cdd6f4;
+  border-radius: 8px;
+  padding: 9px 12px;
+  font-size: 0.88rem;
+}
+.select-input:focus { outline: none; border-color: #89b4fa; }
+.pin-input {
+  flex: 1;
+  background: #181825;
+  border: 1.5px solid #313244;
+  color: #cdd6f4;
+  border-radius: 8px;
+  padding: 9px 12px;
+  font-size: 0.88rem;
+}
+.pin-input:focus { outline: none; border-color: #89b4fa; }
+.btn-auth {
+  background: #1e3a8a;
+  color: #93c5fd;
+  border: none;
+  border-radius: 8px;
+  padding: 9px 16px;
+  font-size: 0.85rem;
+  font-weight: 700;
+  cursor: pointer;
+}
+.btn-auth:hover:not(:disabled) { background: #1d4ed8; }
+.btn-auth:disabled { opacity: 0.4; cursor: not-allowed; }
+.error-msg { color: #f38ba8; font-size: 0.82rem; padding: 4px 0; }
+
+.members-section { display: flex; flex-direction: column; gap: 12px; }
+.members-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 10px;
+  flex-wrap: wrap;
+}
+.alliance-badge { font-weight: 700; color: #89b4fa; font-size: 0.9rem; }
+.header-actions { display: flex; gap: 8px; align-items: center; }
+.search-input {
+  background: #181825;
+  border: 1.5px solid #313244;
+  color: #cdd6f4;
+  border-radius: 8px;
+  padding: 7px 12px;
+  font-size: 0.85rem;
+  width: 150px;
+}
+.search-input:focus { outline: none; border-color: #89b4fa; }
+.btn-logout {
+  background: transparent;
+  color: #6c7086;
+  border: 1px solid #313244;
+  border-radius: 8px;
+  padding: 6px 12px;
+  font-size: 0.8rem;
+  cursor: pointer;
+}
+.btn-logout:hover { color: #f38ba8; border-color: #f38ba8; }
+
+.role-filter { display: flex; gap: 6px; flex-wrap: wrap; }
+.role-btn {
+  background: #181825;
+  border: 1.5px solid #313244;
+  color: #6c7086;
+  border-radius: 20px;
+  padding: 4px 12px;
+  font-size: 0.78rem;
+  font-weight: 700;
+  cursor: pointer;
+}
+.role-btn:hover { border-color: #89b4fa; color: #89b4fa; }
+.role-btn.active { background: #1e3a5f; border-color: #89b4fa; color: #89b4fa; }
+
+.members-stats { display: flex; gap: 12px; font-size: 0.8rem; }
+.stat { color: #6c7086; }
+.stat.linked { color: #a6e3a1; }
+.stat.unlinked { color: #fab387; }
+
+.member-list { display: flex; flex-direction: column; gap: 2px; max-height: 340px; overflow-y: auto; }
+.member-row {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 8px 10px;
+  border-radius: 8px;
+  background: #181825;
+  font-size: 0.85rem;
+  transition: background 0.1s;
+}
+.member-row.linked { background: #0f2010; }
+.member-row:hover { background: #252535; }
+.member-row.linked:hover { background: #152a15; }
+
+.role-tag {
+  padding: 2px 7px;
+  border-radius: 10px;
+  font-size: 0.72rem;
+  font-weight: 800;
+  min-width: 28px;
+  text-align: center;
+}
+.role-tag.r5 { background: #3b1f00; color: #fab387; }
+.role-tag.r4 { background: #1e1b4b; color: #c4b5fd; }
+.role-tag.r3 { background: #1e2d3e; color: #89b4fa; }
+.role-tag.r2 { background: #1c2a1c; color: #a6e3a1; }
+.role-tag.r1 { background: #252535; color: #6c7086; }
+
+.unit-icon { font-size: 0.9rem; }
+.nickname { flex: 1; color: #cdd6f4; font-weight: 600; }
+.power { color: #6c7086; font-size: 0.8rem; min-width: 50px; text-align: right; }
+.coupon-badge {
+  background: #132010;
+  color: #a6e3a1;
+  padding: 2px 8px;
+  border-radius: 10px;
+  font-size: 0.72rem;
+  font-weight: 700;
+}
+.coupon-miss {
+  color: #6c7086;
+  font-size: 0.72rem;
+}
+.empty { color: #6c7086; text-align: center; padding: 16px 0; font-size: 0.85rem; }
+</style>
diff --git a/front/src/views/HomeView.vue b/front/src/views/HomeView.vue
index 37dd3f5..fc2c74e 100644
--- a/front/src/views/HomeView.vue
+++ b/front/src/views/HomeView.vue
@@ -61,6 +61,8 @@
         <div class="card admin-card">
           <CouponManager />
         </div>
+
+        <AlliancePanel />
       </div>
     </div>
   </div>
@@ -72,6 +74,7 @@ import { useWosStore } from '../stores/wos.store';
 import UserCard from '../components/UserCard.vue';
 import CouponInput from '../components/CouponInput.vue';
 import CouponManager from '../components/CouponManager.vue';
+import AlliancePanel from '../components/AlliancePanel.vue';
 
 const store = useWosStore();
 const fidInput = ref('');