diff --git a/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/EntityUsage/EntityUsage.test.tsx b/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/EntityUsage/EntityUsage.test.tsx
index 2a6c2ede478..54e3c55e7a5 100644
--- a/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/EntityUsage/EntityUsage.test.tsx
+++ b/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/EntityUsage/EntityUsage.test.tsx
@@ -44,10 +44,12 @@ vi.mock("../EndpointUsage/EndpointUsage", () => ({
 }));
 
 vi.mock("@/components/UsagePage/components/EntityUsage/TopKeyView", () => ({
-  default: ({ topKeys }: { topKeys: { api_key: string; spend: number }[] }) => (
+  default: ({ topKeys }: { topKeys: { api_key: string; user_email: string | null; spend: number }[] }) => (
     <div>
       <span>Top Keys</span>
-      <span>{`top-keys:${topKeys.map((row) => `${row.api_key}=${row.spend}`).join("|")}`}</span>
+      <span>
+        {`top-keys:${topKeys.map((row) => `${row.api_key}=${row.spend}=${row.user_email ?? "-"}`).join("|")}`}
+      </span>
     </div>
   ),
 }));
@@ -1082,7 +1084,12 @@ describe("EntityUsage", () => {
           breakdown: {
             ...mockSpendData.results[0].breakdown,
             model_groups: { "gpt-4o": { metrics: { ...usageMetrics, spend: 70.25 }, metadata: {} } },
-            api_keys: { "sk-abc": { metrics: usageMetrics, metadata: { key_alias: "prod-key", team_id: null } } },
+            api_keys: {
+              "sk-abc": {
+                metrics: usageMetrics,
+                metadata: { key_alias: "prod-key", team_id: null, user_email: "alice@example.com" },
+              },
+            },
           },
         },
       ],
@@ -1091,7 +1098,7 @@ describe("EntityUsage", () => {
     render(<EntityUsage {...defaultProps} entityType="team" />);
 
     await waitFor(() => {
-      expect(screen.getByText("top-keys:sk-abc=30.75")).toBeInTheDocument();
+      expect(screen.getByText("top-keys:sk-abc=30.75=alice@example.com")).toBeInTheDocument();
     });
     expect(screen.getByText("top-models:gpt-4o=70.25")).toBeInTheDocument();
     expect(screen.getByText(/^top-models:Code Review Agent=/)).toBeInTheDocument();
diff --git a/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/EntityUsage/entityUsageAggregations.ts b/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/EntityUsage/entityUsageAggregations.ts
index d482a5576ae..60b9c2b8e4d 100644
--- a/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/EntityUsage/entityUsageAggregations.ts
+++ b/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/EntityUsage/entityUsageAggregations.ts
@@ -1,4 +1,5 @@
 import { keyActivityLabel } from "@/components/UsagePage/keyActivityLabel";
+import type { TopKeyItem } from "@/components/UsagePage/components/EntityUsage/TopKeyView";
 import { BreakdownMetrics, DailyData, KeyMetricWithMetadata, TagUsage } from "@/components/UsagePage/types";
 
 export type ExtendedDailyData = DailyData & {
@@ -85,7 +86,7 @@ export const getTopAgents = (results: ExtendedDailyData[], topAgentsLimit: numbe
     .slice(0, topAgentsLimit);
 };
 
-export const getTopAPIKeys = (results: ExtendedDailyData[], topKeysLimit: number) => {
+export const getTopAPIKeys = (results: ExtendedDailyData[], topKeysLimit: number): TopKeyItem[] => {
   const keySpend: { [key: string]: KeyMetricWithMetadata } = {};
   results.forEach((day) => {
     const { breakdown } = day;
@@ -140,7 +141,8 @@ export const getTopAPIKeys = (results: ExtendedDailyData[], topKeysLimit: number
     .map(([api_key, metrics]) => ({
       api_key,
       key_alias: keyActivityLabel(metrics.metadata),
-      tags: metrics.metadata.tags || "-",
+      user_email: metrics.metadata.user_email ?? null,
+      tags: metrics.metadata.tags || [],
       spend: metrics.metrics.spend,
     }))
     .sort((a, b) => b.spend - a.spend)
diff --git a/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/UsagePageView.tsx b/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/UsagePageView.tsx
index a92d1209567..4f28e1e8129 100644
--- a/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/UsagePageView.tsx
+++ b/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/UsagePageView.tsx
@@ -61,7 +61,7 @@ import EntityUsage, { EntityList } from "./EntityUsage/EntityUsage";
 import ModelViewToggle, { ModelViewType } from "./ModelViewToggle";
 import SpendByProvider from "./EntityUsage/SpendByProvider";
 import { TOP_MODEL_LIMITS } from "./EntityUsage/TopModelView";
-import TopKeyView from "@/components/UsagePage/components/EntityUsage/TopKeyView";
+import TopKeyView, { type TopKeyItem } from "@/components/UsagePage/components/EntityUsage/TopKeyView";
 import UsageAIChatPanel from "./UsageAIChatPanel";
 import { UsageOption, UsageViewSelect } from "./UsageViewSelect/UsageViewSelect";
 
@@ -407,7 +407,7 @@ const UsagePage: React.FC<UsagePageProps> = ({ teams, organizations }) => {
   }, [userSpendData.results]);
 
   // Calculate top API keys from the breakdown data
-  const topKeys = useMemo(() => {
+  const topKeys = useMemo<TopKeyItem[]>(() => {
     const keySpend: { [key: string]: KeyMetricWithMetadata } = {};
     userSpendData.results.forEach((day) => {
       Object.entries(day.breakdown.api_keys || {}).forEach(([key, metrics]) => {
@@ -448,6 +448,7 @@ const UsagePage: React.FC<UsagePageProps> = ({ teams, organizations }) => {
       .map(([api_key, metrics]) => ({
         api_key,
         key_alias: keyActivityLabel(metrics.metadata),
+        user_email: metrics.metadata.user_email ?? null,
         tags: metrics.metadata.tags || [],
         spend: metrics.metrics.spend,
       }))
diff --git a/ui/litellm-dashboard/src/components/UsagePage/components/EntityUsage/TopKeyView.test.tsx b/ui/litellm-dashboard/src/components/UsagePage/components/EntityUsage/TopKeyView.test.tsx
index c2837cf412e..88adedf022a 100644
--- a/ui/litellm-dashboard/src/components/UsagePage/components/EntityUsage/TopKeyView.test.tsx
+++ b/ui/litellm-dashboard/src/components/UsagePage/components/EntityUsage/TopKeyView.test.tsx
@@ -102,6 +102,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 100,
             tags: [
               { tag: "tag-1", usage: 50 },
@@ -118,6 +119,25 @@ describe("TopKeyView", () => {
     expect(screen.getByText("$100.00")).toBeInTheDocument();
   });
 
+  it("should display user attribution when the key has no alias", () => {
+    render(
+      <TopKeyView
+        {...baseProps}
+        topKeys={[
+          {
+            api_key: "key-123",
+            key_alias: "",
+            user_email: "alice@example.com",
+            spend: 100,
+          },
+        ]}
+      />,
+    );
+
+    expect(screen.getByText("User")).toBeInTheDocument();
+    expect(screen.getByText("alice@example.com")).toBeInTheDocument();
+  });
+
   it("should switch to chart view when chart view button is clicked", async () => {
     const user = userEvent.setup();
     render(<TopKeyView {...baseProps} />);
@@ -142,6 +162,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "A Very Long Key Alias",
+            user_email: null,
             spend: 100,
           },
         ]}
@@ -197,6 +218,7 @@ describe("TopKeyView", () => {
           {
             api_key: "sk-1234567890abcdef",
             key_alias: "Test Key",
+            user_email: null,
             spend: 100,
           },
         ]}
@@ -215,12 +237,13 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "",
+            user_email: null,
             spend: 100,
           },
         ]}
       />,
     );
-    expect(screen.getByText("-")).toBeInTheDocument();
+    expect(screen.getAllByText("-")).toHaveLength(2);
   });
 
   it("should format spend values with two decimal places", () => {
@@ -231,6 +254,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 123.456,
           },
         ]}
@@ -247,6 +271,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 0.004,
           },
         ]}
@@ -263,12 +288,13 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 0,
           },
         ]}
       />,
     );
-    expect(screen.getByText("-")).toBeInTheDocument();
+    expect(screen.getAllByText("-")).toHaveLength(2);
     expect(screen.queryByText("$0.00")).not.toBeInTheDocument();
   });
 
@@ -280,6 +306,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 100,
             tags: [],
           },
@@ -298,6 +325,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 100,
           },
         ]}
@@ -315,6 +343,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 100,
             tags: [
               { tag: "tag-1", usage: 50 },
@@ -340,6 +369,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 100,
             tags: [
               { tag: "tag-1", usage: 50 },
@@ -367,6 +397,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 100,
             tags: [
               { tag: "tag-1", usage: 50 },
@@ -404,6 +435,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 100,
           },
         ]}
@@ -438,6 +470,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 100,
           },
         ]}
@@ -475,6 +508,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 100,
           },
         ]}
@@ -511,6 +545,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 100,
           },
         ]}
@@ -550,6 +585,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 100,
           },
         ]}
@@ -580,6 +616,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 100,
           },
         ]}
@@ -610,6 +647,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "Test Key",
+            user_email: null,
             spend: 100,
             tags: [
               { tag: "tag-low", usage: 10 },
@@ -643,6 +681,7 @@ describe("TopKeyView", () => {
           {
             api_key: "key-123",
             key_alias: "This is a very long key alias",
+            user_email: null,
             spend: 100,
           },
         ]}
@@ -658,12 +697,13 @@ describe("TopKeyView", () => {
         topKeys={[
           {
             api_key: "key-123",
-            key_alias: null,
+            key_alias: "",
+            user_email: null,
             spend: 100,
           },
         ]}
       />,
     );
-    expect(screen.getByText("-")).toBeInTheDocument();
+    expect(screen.getAllByText("-")).toHaveLength(2);
   });
 });
diff --git a/ui/litellm-dashboard/src/components/UsagePage/components/EntityUsage/TopKeyView.tsx b/ui/litellm-dashboard/src/components/UsagePage/components/EntityUsage/TopKeyView.tsx
index df1a51d8e38..7701721ac32 100644
--- a/ui/litellm-dashboard/src/components/UsagePage/components/EntityUsage/TopKeyView.tsx
+++ b/ui/litellm-dashboard/src/components/UsagePage/components/EntityUsage/TopKeyView.tsx
@@ -15,8 +15,16 @@ import { TagUsage } from "../../types";
 
 const TOP_KEYS_LIMITS = [5, 10, 25, 50] as const;
 
+export interface TopKeyItem {
+  api_key: string;
+  key_alias: string;
+  user_email: string | null;
+  tags?: TagUsage[] | null;
+  spend: number;
+}
+
 interface TopKeyViewProps {
-  topKeys: any[];
+  topKeys: TopKeyItem[];
   teams: any[] | null;
   showTags?: boolean;
   topKeysLimit: number;
@@ -43,7 +51,7 @@ const TopKeyView: React.FC<TopKeyViewProps> = ({ topKeys, teams, showTags = fals
     });
   };
 
-  const handleKeyClick = async (item: any) => {
+  const handleKeyClick = async (item: TopKeyItem) => {
     if (!accessToken) return;
 
     try {
@@ -95,6 +103,11 @@ const TopKeyView: React.FC<TopKeyViewProps> = ({ topKeys, teams, showTags = fals
       accessorKey: "key_alias",
       cell: (info: any) => info.getValue() || "-",
     },
+    {
+      header: "User",
+      accessorKey: "user_email",
+      cell: (info: any) => info.getValue() || "-",
+    },
   ];
 
   const tagsColumn = {
diff --git a/ui/litellm-dashboard/tests/top_key_view.test.tsx b/ui/litellm-dashboard/tests/top_key_view.test.tsx
index 51662b8f453..a105bec50e2 100644
--- a/ui/litellm-dashboard/tests/top_key_view.test.tsx
+++ b/ui/litellm-dashboard/tests/top_key_view.test.tsx
@@ -28,12 +28,15 @@ describe("TopKeyView", () => {
     teams: null,
     premiumUser: true,
     showTags: false,
+    topKeysLimit: 5,
+    setTopKeysLimit: vi.fn(),
   };
 
   const mockKeysWithTags = [
     {
       api_key: "key-1",
       key_alias: "Production Key",
+      user_email: null,
       tags: [
         { tag: "production", usage: 0.005 } as TagUsage, // <$0.01
         { tag: "high-volume", usage: 125.5 } as TagUsage, // High spend
@@ -44,6 +47,7 @@ describe("TopKeyView", () => {
     {
       api_key: "key-2",
       key_alias: "Staging Key",
+      user_email: null,
       tags: [
         { tag: "staging", usage: 45.75 } as TagUsage, // Medium spend
         { tag: "testing", usage: 0.008 } as TagUsage, // <$0.01
@@ -54,6 +58,7 @@ describe("TopKeyView", () => {
     {
       api_key: "key-3",
       key_alias: "Development Key",
+      user_email: null,
       tags: [
         { tag: "dev", usage: 0.002 } as TagUsage, // <$0.01
         { tag: "experimental", usage: 0.001 } as TagUsage, // <$0.01
@@ -65,11 +70,15 @@ describe("TopKeyView", () => {
   beforeEach(() => {
     vi.clearAllMocks();
     mockUseAuthorized.mockReturnValue({
+      isLoading: false,
+      isAuthorized: true,
       token: "mock-token",
       accessToken: mockProps.accessToken,
       userId: mockProps.userID,
       userEmail: "test@example.com",
       userRole: mockProps.userRole,
+      userRoleLabel: mockProps.userRole,
+      isViewOnly: false,
       premiumUser: mockProps.premiumUser,
       disabledPersonalKeyCreation: false,
       showSSOBanner: false,
@@ -181,13 +190,14 @@ describe("TopKeyView", () => {
         {
           api_key: "key-no-tags",
           key_alias: "No Tags Key",
+          user_email: null,
           tags: [],
           spend: 10.0,
         },
       ];
 
       renderWithProviders(<TopKeyView {...mockProps} topKeys={keysWithoutTags} showTags={true} />);
-      expect(screen.getByText("-")).toBeInTheDocument();
+      expect(screen.getAllByText("-")).toHaveLength(2);
     });
 
     it("should handle keys with undefined tags", () => {
@@ -195,13 +205,14 @@ describe("TopKeyView", () => {
         {
           api_key: "key-undefined-tags",
           key_alias: "Undefined Tags Key",
+          user_email: null,
           tags: undefined,
           spend: 5.0,
         },
       ];
 
       renderWithProviders(<TopKeyView {...mockProps} topKeys={keysWithUndefinedTags} showTags={true} />);
-      expect(screen.getByText("-")).toBeInTheDocument();
+      expect(screen.getAllByText("-")).toHaveLength(2);
     });
 
     it("should handle keys with null tags", () => {
@@ -209,13 +220,14 @@ describe("TopKeyView", () => {
         {
           api_key: "key-null-tags",
           key_alias: "Null Tags Key",
+          user_email: null,
           tags: null,
           spend: 3.0,
         },
       ];
 
       renderWithProviders(<TopKeyView {...mockProps} topKeys={keysWithNullTags} showTags={true} />);
-      expect(screen.getByText("-")).toBeInTheDocument();
+      expect(screen.getAllByText("-")).toHaveLength(2);
     });
   });
 
@@ -225,6 +237,7 @@ describe("TopKeyView", () => {
         {
           api_key: "key-long-tags",
           key_alias: "Long Tags Key",
+          user_email: null,
           tags: [{ tag: "very-long-tag-name", usage: 10.0 } as TagUsage, { tag: "short", usage: 5.0 } as TagUsage],
           spend: 15.0,
         },
@@ -245,12 +258,14 @@ describe("TopKeyView", () => {
         {
           api_key: "key-mixed-1",
           key_alias: "Mixed Key 1",
+          user_email: null,
           tags: [{ tag: "expensive", usage: 999.99 } as TagUsage, { tag: "cheap", usage: 0.001 } as TagUsage],
           spend: 1000.0,
         },
         {
           api_key: "key-mixed-2",
           key_alias: "Mixed Key 2",
+          user_email: null,
           tags: [{ tag: "moderate", usage: 50.0 } as TagUsage, { tag: "tiny", usage: 0.005 } as TagUsage],
           spend: 50.01,
         },
@@ -292,6 +307,7 @@ describe("TopKeyView", () => {
         {
           api_key: "test-key-123",
           key_alias: "Test Key",
+          user_email: null,
           tags: [],
           spend: 25.5,
         },