diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index a97141a..539af91 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -262,7 +262,6 @@
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       ],
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-      "peer": true,
       "engines": {
         "node": ">=18"
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@@ -306,7 +305,6 @@
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       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=18"
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@@ -1600,7 +1598,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "undici-types": "~7.10.0"
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@@ -1679,7 +1676,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.49.0",
         "@typescript-eslint/types": "8.49.0",
@@ -2008,7 +2004,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@vitest/utils": "4.0.10",
         "fflate": "^0.8.2",
@@ -2306,7 +2301,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -2608,7 +2602,6 @@
         }
       ],
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.8.2",
         "caniuse-lite": "^1.0.30001741",
@@ -2725,7 +2718,6 @@
       "resolved": "https://registry.npmjs.org/chart.js/-/chart.js-4.5.0.tgz",
       "integrity": "sha512-aYeC/jDgSEx8SHWZvANYMioYMZ2KX02W6f6uVfyteuCGcadDLcYVHdfdygsTQkQ4TKn5lghoojAsPj5pu0SnvQ==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@kurkle/color": "^0.3.0"
       },
@@ -2948,7 +2940,6 @@
       "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-4.1.0.tgz",
       "integrity": "sha512-Ukq0owbQXxa/U3EGtsdVBkR1w7KOQ5gIBqdH2hkvknzZPYvBxb/aa6E8L7tmjFtkwZBu3UXBbjIgPo/Ez4xaNg==",
       "license": "MIT",
-      "peer": true,
       "funding": {
         "type": "github",
         "url": "https://github.com/sponsors/kossnocorp"
@@ -3201,7 +3192,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.8.0",
         "@eslint-community/regexpp": "^4.12.1",
@@ -4101,7 +4091,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@acemir/cssom": "^0.9.23",
         "@asamuzakjp/dom-selector": "^6.7.4",
@@ -4666,7 +4655,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -4734,7 +4722,6 @@
         }
       ],
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "nanoid": "^3.3.11",
         "picocolors": "^1.1.1",
@@ -5765,7 +5752,6 @@
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       "devOptional": true,
       "license": "Apache-2.0",
-      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -5859,7 +5845,6 @@
       "integrity": "sha512-dZwN5L1VlUBewiP6H9s2+B3e3Jg96D0vzN+Ry73sOefebhYr9f94wwkMNN/9ouoU8pV1BqA1d1zGk8928cx0rg==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "esbuild": "^0.27.0",
         "fdir": "^6.5.0",
@@ -5935,7 +5920,6 @@
       "integrity": "sha512-2Fqty3MM9CDwOVet/jaQalYlbcjATZwPYGcqpiYQqgQ/dLC7GuHdISKgTYIVF/kaishKxLzleKWWfbSDklyIKg==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@vitest/expect": "4.0.10",
         "@vitest/mocker": "4.0.10",
@@ -6020,7 +6004,6 @@
       "resolved": "https://registry.npmjs.org/vue/-/vue-3.5.21.tgz",
       "integrity": "sha512-xxf9rum9KtOdwdRkiApWL+9hZEMWE90FHh8yS1+KJAiWYh+iGWV1FquPjoO9VUHQ+VIhsCXNNyZ5Sf4++RVZBA==",
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@vue/compiler-dom": "3.5.21",
         "@vue/compiler-sfc": "3.5.21",
@@ -6053,6 +6036,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "debug": "^4.4.0",
         "eslint-scope": "^8.2.0",
@@ -6077,6 +6061,7 @@
       "integrity": "sha512-Uhdk5sfqcee/9H/rCOJikYz67o0a2Tw2hGRPOG2Y1R2dg7brRe1uG0yaNQDHu+TO/uQPF/5eCapvYSmHUjt7JQ==",
       "dev": true,
       "license": "Apache-2.0",
+      "peer": true,
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       },
diff --git a/frontend/src/api/usage.ts b/frontend/src/api/usage.ts
index ed51860..85d543d 100644
--- a/frontend/src/api/usage.ts
+++ b/frontend/src/api/usage.ts
@@ -166,6 +166,7 @@ export const usageApi = {
     end_date?: string
     user_id?: string // UUID
     username?: string
+    user_api_key_name?: string
     model?: string
     provider?: string
     status?: string // 'stream' | 'standard' | 'error'
diff --git a/frontend/src/features/usage/components/UsageRecordsTable.vue b/frontend/src/features/usage/components/UsageRecordsTable.vue
index 72395a2..c1d6a61 100644
--- a/frontend/src/features/usage/components/UsageRecordsTable.vue
+++ b/frontend/src/features/usage/components/UsageRecordsTable.vue
@@ -56,6 +56,20 @@
         </SelectContent>
       </Select>
 
+      <!-- Key 名称筛选（请求使用的用户 Key，仅管理员可见） -->
+      <div
+        v-if="isAdmin"
+        class="relative"
+      >
+        <Search class="absolute left-2.5 top-1/2 -translate-y-1/2 h-3.5 w-3.5 text-muted-foreground z-10 pointer-events-none" />
+        <Input
+          id="usage-records-key-name"
+          v-model="localKeyName"
+          placeholder="搜索密钥名称"
+          class="w-24 sm:w-40 h-8 text-xs border-border/60 pl-8"
+        />
+      </div>
+
       <!-- 模型筛选 -->
       <Select
         v-model:open="filterModelSelectOpen"
@@ -218,7 +232,18 @@
             class="py-4 w-[100px] truncate"
             :title="record.username || record.user_email || (record.user_id ? `User ${record.user_id}` : '已删除用户')"
           >
-            {{ record.username || record.user_email || (record.user_id ? `User ${record.user_id}` : '已删除用户') }}
+            <div class="flex flex-col text-xs gap-0.5">
+              <span class="truncate">
+                {{ record.username || record.user_email || (record.user_id ? `User ${record.user_id}` : '已删除用户') }}
+              </span>
+              <span
+                v-if="record.api_key?.name"
+                class="text-muted-foreground truncate"
+                :title="record.api_key.name"
+              >
+                {{ record.api_key.name }}
+              </span>
+            </div>
           </TableCell>
           <TableCell
             class="font-medium py-4 w-[140px]"
@@ -438,6 +463,7 @@ import {
   TableCard,
   Badge,
   Button,
+  Input,
   Select,
   SelectTrigger,
   SelectValue,
@@ -451,7 +477,7 @@ import {
   TableCell,
   Pagination,
 } from '@/components/ui'
-import { RefreshCcw } from 'lucide-vue-next'
+import { RefreshCcw, Search } from 'lucide-vue-next'
 import { formatTokens, formatCurrency } from '@/utils/format'
 import { formatDateTime } from '../composables'
 import { useRowClick } from '@/composables/useRowClick'
@@ -472,6 +498,7 @@ const props = defineProps<{
   selectedPeriod: string
   // 筛选
   filterUser: string
+  filterKeyName: string
   filterModel: string
   filterProvider: string
   filterStatus: string
@@ -490,6 +517,7 @@ const props = defineProps<{
 const emit = defineEmits<{
   'update:selectedPeriod': [value: string]
   'update:filterUser': [value: string]
+  'update:filterKeyName': [value: string]
   'update:filterModel': [value: string]
   'update:filterProvider': [value: string]
   'update:filterStatus': [value: string]
@@ -507,6 +535,23 @@ const filterModelSelectOpen = ref(false)
 const filterProviderSelectOpen = ref(false)
 const filterStatusSelectOpen = ref(false)
 
+// Key 名称筛选（输入防抖）
+const localKeyName = ref(props.filterKeyName)
+let keyNameDebounceTimer: ReturnType<typeof setTimeout> | null = null
+
+watch(() => props.filterKeyName, (value) => {
+  if (value !== localKeyName.value) {
+    localKeyName.value = value
+  }
+})
+
+watch(localKeyName, (value) => {
+  if (keyNameDebounceTimer) clearTimeout(keyNameDebounceTimer)
+  keyNameDebounceTimer = setTimeout(() => {
+    emit('update:filterKeyName', value)
+  }, 300)
+})
+
 // 动态计时器相关
 const now = ref(Date.now())
 let timerInterval: ReturnType<typeof setInterval> | null = null
@@ -574,6 +619,10 @@ function handleRowClick(event: MouseEvent, id: string) {
 // 组件卸载时清理
 onUnmounted(() => {
   stopTimer()
+  if (keyNameDebounceTimer) {
+    clearTimeout(keyNameDebounceTimer)
+    keyNameDebounceTimer = null
+  }
 })
 
 // 格式化 API 格式显示名称
diff --git a/frontend/src/features/usage/composables/useUsageData.ts b/frontend/src/features/usage/composables/useUsageData.ts
index 201d2a6..0482594 100644
--- a/frontend/src/features/usage/composables/useUsageData.ts
+++ b/frontend/src/features/usage/composables/useUsageData.ts
@@ -24,6 +24,7 @@ export interface PaginationParams {
 
 export interface FilterParams {
   user_id?: string
+  user_api_key_name?: string
   model?: string
   provider?: string
   status?: string
@@ -255,6 +256,9 @@ export function useUsageData(options: UseUsageDataOptions) {
       if (filters?.user_id) {
         params.user_id = filters.user_id
       }
+      if (filters?.user_api_key_name) {
+        params.user_api_key_name = filters.user_api_key_name
+      }
       if (filters?.model) {
         params.model = filters.model
       }
diff --git a/frontend/src/features/usage/types.ts b/frontend/src/features/usage/types.ts
index d9de879..3a592f8 100644
--- a/frontend/src/features/usage/types.ts
+++ b/frontend/src/features/usage/types.ts
@@ -61,6 +61,11 @@ export interface UsageRecord {
   user_id?: string
   username?: string
   user_email?: string
+  api_key?: {
+    id: string | null
+    name: string | null
+    display: string | null
+  } | null
   provider: string
   api_key_name?: string
   rate_multiplier?: number
diff --git a/frontend/src/mocks/handler.ts b/frontend/src/mocks/handler.ts
index cc412c3..95dfa1e 100644
--- a/frontend/src/mocks/handler.ts
+++ b/frontend/src/mocks/handler.ts
@@ -367,6 +367,11 @@ function generateMockUsageRecords(count: number = 100) {
       user_id: user.id,
       username: user.username,
       user_email: user.email,
+      api_key: {
+        id: `key-${user.id}-${Math.ceil(Math.random() * 2)}`,
+        name: `${user.username} Key ${Math.ceil(Math.random() * 3)}`,
+        display: `sk-ae...${String(1000 + Math.floor(Math.random() * 9000))}`
+      },
       provider: model.provider,
       api_key_name: `${model.provider}-key-${Math.ceil(Math.random() * 3)}`,
       rate_multiplier: 1.0,
@@ -835,10 +840,17 @@ const mockHandlers: Record<string, (config: AxiosRequestConfig) => Promise<Axios
   'GET /api/admin/usage/records': async (config) => {
     await delay()
     requireAdmin()
-    const records = getUsageRecords()
+    let records = getUsageRecords()
     const params = config.params || {}
     const limit = parseInt(params.limit) || 20
     const offset = parseInt(params.offset) || 0
+
+    // 用户 API Key 名称筛选（注意：不是 Provider Key）
+    if (typeof params.user_api_key_name === 'string' && params.user_api_key_name.trim()) {
+      const keyword = params.user_api_key_name.trim().toLowerCase()
+      records = records.filter(r => (r.api_key?.name || '').toLowerCase().includes(keyword))
+    }
+
     return createMockResponse({
       records: records.slice(offset, offset + limit),
       total: records.length,
diff --git a/frontend/src/views/shared/Usage.vue b/frontend/src/views/shared/Usage.vue
index 6192d1a..85099d9 100644
--- a/frontend/src/views/shared/Usage.vue
+++ b/frontend/src/views/shared/Usage.vue
@@ -57,6 +57,7 @@
       :loading="isLoadingRecords"
       :selected-period="selectedPeriod"
       :filter-user="filterUser"
+      :filter-key-name="filterKeyName"
       :filter-model="filterModel"
       :filter-provider="filterProvider"
       :filter-status="filterStatus"
@@ -70,6 +71,7 @@
       :auto-refresh="globalAutoRefresh"
       @update:selected-period="handlePeriodChange"
       @update:filter-user="handleFilterUserChange"
+      @update:filter-key-name="handleFilterKeyNameChange"
       @update:filter-model="handleFilterModelChange"
       @update:filter-provider="handleFilterProviderChange"
       @update:filter-status="handleFilterStatusChange"
@@ -134,6 +136,7 @@ const pageSizeOptions = [10, 20, 50, 100]
 
 // 筛选状态
 const filterUser = ref('__all__')
+const filterKeyName = ref('')
 const filterModel = ref('__all__')
 const filterProvider = ref('__all__')
 const filterStatus = ref<FilterStatusValue>('__all__')
@@ -439,6 +442,7 @@ async function handlePageSizeChange(size: number) {
 function getCurrentFilters() {
   return {
     user_id: filterUser.value !== '__all__' ? filterUser.value : undefined,
+    user_api_key_name: filterKeyName.value.trim() ? filterKeyName.value.trim() : undefined,
     model: filterModel.value !== '__all__' ? filterModel.value : undefined,
     provider: filterProvider.value !== '__all__' ? filterProvider.value : undefined,
     status: filterStatus.value !== '__all__' ? filterStatus.value : undefined
@@ -455,6 +459,15 @@ async function handleFilterUserChange(value: string) {
   }
 }
 
+async function handleFilterKeyNameChange(value: string) {
+  filterKeyName.value = value
+  currentPage.value = 1
+
+  if (isAdminPage.value) {
+    await loadRecords({ page: 1, pageSize: pageSize.value }, getCurrentFilters())
+  }
+}
+
 async function handleFilterModelChange(value: string) {
   filterModel.value = value
   currentPage.value = 1  // 重置到第一页
diff --git a/src/api/admin/usage/routes.py b/src/api/admin/usage/routes.py
index 11aee02..f6ba713 100644
--- a/src/api/admin/usage/routes.py
+++ b/src/api/admin/usage/routes.py
@@ -94,6 +94,7 @@ async def get_usage_records(
     end_date: Optional[datetime] = None,
     user_id: Optional[str] = None,
     username: Optional[str] = None,
+    user_api_key_name: Optional[str] = None,
     model: Optional[str] = None,
     provider: Optional[str] = None,
     status: Optional[str] = None,  # stream, standard, error
@@ -106,6 +107,7 @@ async def get_usage_records(
         end_date=end_date,
         user_id=user_id,
         username=username,
+        user_api_key_name=user_api_key_name,
         model=model,
         provider=provider,
         status=status,
@@ -502,6 +504,7 @@ class AdminUsageRecordsAdapter(AdminApiAdapter):
         end_date: Optional[datetime],
         user_id: Optional[str],
         username: Optional[str],
+        user_api_key_name: Optional[str],
         model: Optional[str],
         provider: Optional[str],
         status: Optional[str],
@@ -512,6 +515,7 @@ class AdminUsageRecordsAdapter(AdminApiAdapter):
         self.end_date = end_date
         self.user_id = user_id
         self.username = username
+        self.user_api_key_name = user_api_key_name
         self.model = model
         self.provider = provider
         self.status = status
@@ -521,16 +525,20 @@ class AdminUsageRecordsAdapter(AdminApiAdapter):
     async def handle(self, context):  # type: ignore[override]
         db = context.db
         query = (
-            db.query(Usage, User, ProviderEndpoint, ProviderAPIKey)
+            db.query(Usage, User, ProviderEndpoint, ProviderAPIKey, ApiKey)
             .outerjoin(User, Usage.user_id == User.id)
             .outerjoin(ProviderEndpoint, Usage.provider_endpoint_id == ProviderEndpoint.id)
             .outerjoin(ProviderAPIKey, Usage.provider_api_key_id == ProviderAPIKey.id)
+            .outerjoin(ApiKey, Usage.api_key_id == ApiKey.id)
         )
         if self.user_id:
             query = query.filter(Usage.user_id == self.user_id)
         if self.username:
             # 支持用户名模糊搜索
             query = query.filter(User.username.ilike(f"%{self.username}%"))
+        if self.user_api_key_name:
+            # 支持用户 API Key 名称模糊搜索（注意：不是 Provider Key）
+            query = query.filter(ApiKey.name.ilike(f"%{self.user_api_key_name}%"))
         if self.model:
             # 支持模型名模糊搜索
             query = query.filter(Usage.model.ilike(f"%{self.model}%"))
@@ -575,7 +583,7 @@ class AdminUsageRecordsAdapter(AdminApiAdapter):
             query.order_by(Usage.created_at.desc()).offset(self.offset).limit(self.limit).all()
         )
 
-        request_ids = [usage.request_id for usage, _, _, _ in records if usage.request_id]
+        request_ids = [usage.request_id for usage, _, _, _, _ in records if usage.request_id]
         fallback_map = {}
         if request_ids:
             # 只统计实际执行的候选（success 或 failed），不包括 skipped/pending/available
@@ -597,6 +605,7 @@ class AdminUsageRecordsAdapter(AdminApiAdapter):
             end_date=self.end_date.isoformat() if self.end_date else None,
             user_id=self.user_id,
             username=self.username,
+            user_api_key_name=self.user_api_key_name,
             model=self.model,
             provider=self.provider,
             status=self.status,
@@ -606,7 +615,7 @@ class AdminUsageRecordsAdapter(AdminApiAdapter):
         )
 
         # 构建 provider_id -> Provider 名称的映射，避免 N+1 查询
-        provider_ids = [usage.provider_id for usage, _, _, _ in records if usage.provider_id]
+        provider_ids = [usage.provider_id for usage, _, _, _, _ in records if usage.provider_id]
         provider_map = {}
         if provider_ids:
             providers_data = (
@@ -615,7 +624,7 @@ class AdminUsageRecordsAdapter(AdminApiAdapter):
             provider_map = {str(p.id): p.name for p in providers_data}
 
         data = []
-        for usage, user, endpoint, api_key in records:
+        for usage, user, endpoint, provider_api_key, user_api_key in records:
             actual_cost = (
                 float(usage.actual_total_cost_usd)
                 if usage.actual_total_cost_usd is not None
@@ -636,6 +645,15 @@ class AdminUsageRecordsAdapter(AdminApiAdapter):
                     "user_id": user.id if user else None,
                     "user_email": user.email if user else "已删除用户",
                     "username": user.username if user else "已删除用户",
+                    "api_key": (
+                        {
+                            "id": user_api_key.id,
+                            "name": user_api_key.name,
+                            "display": user_api_key.get_display_key(),
+                        }
+                        if user_api_key
+                        else None
+                    ),
                     "provider": provider_name,
                     "model": usage.model,
                     "target_model": usage.target_model,  # 映射后的目标模型名
@@ -661,7 +679,7 @@ class AdminUsageRecordsAdapter(AdminApiAdapter):
                     "has_fallback": fallback_map.get(usage.request_id, False),
                     "api_format": usage.api_format
                     or (endpoint.api_format if endpoint and endpoint.api_format else None),
-                    "api_key_name": api_key.name if api_key else None,
+                    "api_key_name": provider_api_key.name if provider_api_key else None,
                     "request_metadata": usage.request_metadata,  # Provider 响应元数据
                 }
             )