diff --git a/litellm/proxy/_lazy_openapi_snapshot.json b/litellm/proxy/_lazy_openapi_snapshot.json
index cb7a18cd107..f46301fde8d 100644
--- a/litellm/proxy/_lazy_openapi_snapshot.json
+++ b/litellm/proxy/_lazy_openapi_snapshot.json
@@ -3234,6 +3234,17 @@
                 }
               ],
               "title": "User Email"
+            },
+            "user_id": {
+              "anyOf": [
+                {
+                  "type": "string"
+                },
+                {
+                  "type": "null"
+                }
+              ],
+              "title": "User Id"
             }
           },
           "title": "KeyMetadata",
diff --git a/litellm/proxy/management_endpoints/common_daily_activity.py b/litellm/proxy/management_endpoints/common_daily_activity.py
index a8aef30107c..44ed0017e42 100644
--- a/litellm/proxy/management_endpoints/common_daily_activity.py
+++ b/litellm/proxy/management_endpoints/common_daily_activity.py
@@ -127,6 +127,7 @@ def _key_metadata(api_key_metadata: Mapping[str, _KeyMetadataDict], api_key: str
     return KeyMetadata(
         key_alias=meta.get("key_alias"),
         team_id=meta.get("team_id"),
+        user_id=meta.get("user_id"),
         user_email=meta.get("user_email"),
     )
 
diff --git a/litellm/types/proxy/management_endpoints/common_daily_activity.py b/litellm/types/proxy/management_endpoints/common_daily_activity.py
index 2b39c5dbb9b..090e5c42376 100644
--- a/litellm/types/proxy/management_endpoints/common_daily_activity.py
+++ b/litellm/types/proxy/management_endpoints/common_daily_activity.py
@@ -43,6 +43,7 @@ class KeyMetadata(BaseModel):
 
     key_alias: str | None = None
     team_id: str | None = None
+    user_id: str | None = None
     user_email: str | None = None
 
 
diff --git a/tests/test_litellm/proxy/management_endpoints/test_common_daily_activity.py b/tests/test_litellm/proxy/management_endpoints/test_common_daily_activity.py
index 6cd900cb041..71896a18f48 100644
--- a/tests/test_litellm/proxy/management_endpoints/test_common_daily_activity.py
+++ b/tests/test_litellm/proxy/management_endpoints/test_common_daily_activity.py
@@ -613,6 +613,7 @@ def test_key_metadata_includes_recovered_user_email():
             "dirty-key": {
                 "key_alias": "batch-worker",
                 "team_id": "team-1",
+                "user_id": "alice",
                 "user_email": "alice@example.com",
             }
         },
@@ -620,6 +621,7 @@ def test_key_metadata_includes_recovered_user_email():
     )
 
     assert meta.key_alias == "batch-worker"
+    assert meta.user_id == "alice"
     assert meta.user_email == "alice@example.com"
 
 
@@ -848,9 +850,11 @@ async def test_aggregated_activity_preserves_metadata_for_deleted_keys():
     mock_deleted_key.token = "deleted-key-hash"
     mock_deleted_key.key_alias = "toto-test-2"
     mock_deleted_key.team_id = "69cd4b77-b095-4489-8c46-4f2f31d840a2"
+    mock_deleted_key.user_id = "deleted-key-owner"
 
     mock_prisma.db.litellm_deletedverificationtoken = MagicMock()
     mock_prisma.db.litellm_deletedverificationtoken.find_many = AsyncMock(return_value=[mock_deleted_key])
+    mock_prisma.db.litellm_usertable.find_many = AsyncMock(return_value=[])
 
     result = await get_daily_activity_aggregated(
         prisma_client=mock_prisma,
@@ -871,6 +875,7 @@ async def test_aggregated_activity_preserves_metadata_for_deleted_keys():
     key_data = chat_endpoint.api_key_breakdown["deleted-key-hash"]
     assert key_data.metadata.key_alias == "toto-test-2"
     assert key_data.metadata.team_id == "69cd4b77-b095-4489-8c46-4f2f31d840a2"
+    assert key_data.metadata.user_id == "deleted-key-owner"
     assert key_data.metrics.spend == 10.0
 
 
diff --git a/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/EntityUsage/EntityUsage.tsx b/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/EntityUsage/EntityUsage.tsx
index 273e478528e..6c15b3c418d 100644
--- a/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/EntityUsage/EntityUsage.tsx
+++ b/ui/litellm-dashboard/src/app/(dashboard)/usage/_components/components/EntityUsage/EntityUsage.tsx
@@ -42,6 +42,7 @@ import { valueFormatterSpend } from "@/components/UsagePage/utils/value_formatte
 import EndpointUsage from "../EndpointUsage/EndpointUsage";
 import ModelViewToggle, { ModelViewType } from "../ModelViewToggle";
 import TopKeyView from "@/components/UsagePage/components/EntityUsage/TopKeyView";
+import KeyActivityPanel from "@/components/UsagePage/components/KeyActivityPanel";
 import TopModelView from "./TopModelView";
 import TeamUserSpendCard from "./TeamUserSpendCard";
 
@@ -654,7 +655,7 @@ const EntityUsage: React.FC<EntityUsageProps> = ({
     {
       key: "keys",
       label: "Key Activity",
-      content: <ActivityMetrics modelMetrics={keyMetrics} hidePromptCachingMetrics={entityType === "agent"} />,
+      content: <KeyActivityPanel keyMetrics={keyMetrics} hidePromptCachingMetrics={entityType === "agent"} />,
     },
     { key: "endpoints", label: "Endpoint Activity", content: <EndpointUsage userSpendData={spendData} /> },
   ];
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..de353948db9 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
@@ -30,6 +30,7 @@ import { ActivityMetrics, processActivityData } from "@/components/activity_metr
 import CloudZeroExportModal from "@/components/cloudzero_export_modal";
 import UserDropdown from "@/components/common_components/UserDropdown";
 import EntityUsageExportModal from "@/components/EntityUsageExport";
+import KeyActivityPanel from "@/components/UsagePage/components/KeyActivityPanel";
 import { Team } from "@/components/key_team_helpers/key_list";
 import {
   gatewayDailyActivityCall,
@@ -886,7 +887,7 @@ const UsagePage: React.FC<UsagePageProps> = ({ teams, organizations }) => {
                   <ActivityMetrics modelMetrics={modelMetrics} />
                 </TabsContent>
                 <TabsContent value="keys" keepMounted>
-                  <ActivityMetrics modelMetrics={keyMetrics} />
+                  <KeyActivityPanel keyMetrics={keyMetrics} />
                 </TabsContent>
                 <TabsContent value="mcp" keepMounted>
                   <ActivityMetrics modelMetrics={mcpServerMetrics} />
diff --git a/ui/litellm-dashboard/src/components/UsagePage/components/KeyActivityPanel.test.tsx b/ui/litellm-dashboard/src/components/UsagePage/components/KeyActivityPanel.test.tsx
new file mode 100644
index 00000000000..693ac20a360
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/UsagePage/components/KeyActivityPanel.test.tsx
@@ -0,0 +1,71 @@
+import { fireEvent, render, screen } from "@testing-library/react";
+import { describe, expect, it, vi } from "vitest";
+
+import type { ModelActivityData } from "../types";
+import KeyActivityPanel from "./KeyActivityPanel";
+
+vi.mock("@/components/activity_metrics", () => ({
+  ActivityMetrics: ({ modelMetrics }: { modelMetrics: Record<string, ModelActivityData> }) => (
+    <ul data-testid="rendered-keys">
+      {Object.keys(modelMetrics).map((hash) => (
+        <li key={hash}>{hash}</li>
+      ))}
+    </ul>
+  ),
+}));
+
+function activity(label: string, user_email: string | null, user_id: string | null): ModelActivityData {
+  return {
+    label,
+    key_metadata: { key_alias: label, team_id: "team-1", user_id, user_email },
+    total_requests: 1,
+    total_successful_requests: 1,
+    total_failed_requests: 0,
+    total_cache_read_input_tokens: 0,
+    total_cache_creation_input_tokens: 0,
+    total_tokens: 10,
+    prompt_tokens: 5,
+    completion_tokens: 5,
+    total_spend: 0.01,
+    top_api_keys: [],
+    top_models: [],
+    daily_data: [],
+  };
+}
+
+const keyMetrics: Record<string, ModelActivityData> = {
+  "hash-alice": activity("alice-key", "alice@example.com", "user-alice"),
+  "hash-bob": activity("bob-key", "bob@example.com", "user-bob"),
+};
+
+describe("KeyActivityPanel", () => {
+  it("renders every key and the full count before searching", () => {
+    render(<KeyActivityPanel keyMetrics={keyMetrics} />);
+    expect(screen.getByTestId("rendered-keys")).toHaveTextContent("hash-alicehash-bob");
+    expect(screen.getByText("Showing 2 of 2 keys")).toBeInTheDocument();
+  });
+
+  it("narrows the rendered keys to those matching the user email", () => {
+    render(<KeyActivityPanel keyMetrics={keyMetrics} />);
+    fireEvent.change(screen.getByLabelText("Search keys"), { target: { value: "bob@example.com" } });
+    expect(screen.getByTestId("rendered-keys")).toHaveTextContent("hash-bob");
+    expect(screen.getByTestId("rendered-keys")).not.toHaveTextContent("hash-alice");
+    expect(screen.getByText("Showing 1 of 2 keys")).toBeInTheDocument();
+  });
+
+  it("shows an empty state instead of zeroed metrics when nothing matches", () => {
+    render(<KeyActivityPanel keyMetrics={keyMetrics} />);
+    fireEvent.change(screen.getByLabelText("Search keys"), { target: { value: "carol" } });
+    expect(screen.queryByTestId("rendered-keys")).not.toBeInTheDocument();
+    expect(screen.getByText('No keys match "carol" in this date range')).toBeInTheDocument();
+  });
+
+  it("clears the search and restores every key", () => {
+    render(<KeyActivityPanel keyMetrics={keyMetrics} />);
+    fireEvent.change(screen.getByLabelText("Search keys"), { target: { value: "user-alice" } });
+    expect(screen.getByTestId("rendered-keys")).toHaveTextContent("hash-alice");
+    fireEvent.click(screen.getByLabelText("Clear key search"));
+    expect(screen.getByLabelText("Search keys")).toHaveValue("");
+    expect(screen.getByTestId("rendered-keys")).toHaveTextContent("hash-alicehash-bob");
+  });
+});
diff --git a/ui/litellm-dashboard/src/components/UsagePage/components/KeyActivityPanel.tsx b/ui/litellm-dashboard/src/components/UsagePage/components/KeyActivityPanel.tsx
new file mode 100644
index 00000000000..8287a04d0c7
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/UsagePage/components/KeyActivityPanel.tsx
@@ -0,0 +1,58 @@
+import { Search, X } from "lucide-react";
+import React, { useMemo, useState } from "react";
+
+import { ActivityMetrics } from "@/components/activity_metrics";
+import { InputGroup, InputGroupAddon, InputGroupButton, InputGroupInput } from "@/components/ui/input-group";
+
+import { filterKeyActivity } from "../keyActivityFilter";
+import type { ModelActivityData } from "../types";
+
+interface KeyActivityPanelProps {
+  keyMetrics: Record<string, ModelActivityData>;
+  hidePromptCachingMetrics?: boolean;
+}
+
+const KeyActivityPanel: React.FC<KeyActivityPanelProps> = ({ keyMetrics, hidePromptCachingMetrics = false }) => {
+  const [query, setQuery] = useState("");
+  const filtered = useMemo(() => filterKeyActivity(keyMetrics, query), [keyMetrics, query]);
+  const totalKeys = Object.keys(keyMetrics).length;
+  const shownKeys = Object.keys(filtered).length;
+  const isFiltering = query.trim() !== "";
+
+  return (
+    <div className="space-y-4">
+      <div className="mt-2 flex items-center gap-3">
+        <InputGroup className="max-w-md">
+          <InputGroupAddon>
+            <Search className="size-4 text-muted-foreground" />
+          </InputGroupAddon>
+          <InputGroupInput
+            aria-label="Search keys"
+            placeholder="Search by key alias, key hash, user ID, or email"
+            value={query}
+            onChange={(e) => setQuery(e.target.value)}
+          />
+          {isFiltering && (
+            <InputGroupAddon align="inline-end">
+              <InputGroupButton size="icon-xs" aria-label="Clear key search" onClick={() => setQuery("")}>
+                <X />
+              </InputGroupButton>
+            </InputGroupAddon>
+          )}
+        </InputGroup>
+        <span className="text-sm text-muted-foreground">
+          Showing {shownKeys.toLocaleString()} of {totalKeys.toLocaleString()} keys
+        </span>
+      </div>
+      {isFiltering && totalKeys > 0 && shownKeys === 0 ? (
+        <p className="rounded-lg border p-6 text-center text-sm text-muted-foreground">
+          No keys match &quot;{query.trim()}&quot; in this date range
+        </p>
+      ) : (
+        <ActivityMetrics modelMetrics={filtered} hidePromptCachingMetrics={hidePromptCachingMetrics} />
+      )}
+    </div>
+  );
+};
+
+export default KeyActivityPanel;
diff --git a/ui/litellm-dashboard/src/components/UsagePage/keyActivityFilter.test.ts b/ui/litellm-dashboard/src/components/UsagePage/keyActivityFilter.test.ts
new file mode 100644
index 00000000000..ce181f6b0c6
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/UsagePage/keyActivityFilter.test.ts
@@ -0,0 +1,91 @@
+import { describe, expect, it } from "vitest";
+
+import { filterKeyActivity, keyActivityMatches } from "./keyActivityFilter";
+import type { KeyMetadata, ModelActivityData } from "./types";
+
+function activity(label: string, key_metadata?: KeyMetadata): ModelActivityData {
+  return {
+    label,
+    key_metadata,
+    total_requests: 1,
+    total_successful_requests: 1,
+    total_failed_requests: 0,
+    total_cache_read_input_tokens: 0,
+    total_cache_creation_input_tokens: 0,
+    total_tokens: 10,
+    prompt_tokens: 5,
+    completion_tokens: 5,
+    total_spend: 0.01,
+    top_api_keys: [],
+    top_models: [],
+    daily_data: [],
+  };
+}
+
+const aliceMeta: KeyMetadata = {
+  key_alias: "alice-batch",
+  team_id: "team-research",
+  user_id: "user-alice-1234",
+  user_email: "alice@example.com",
+};
+const bobMeta: KeyMetadata = {
+  key_alias: null,
+  team_id: "team-research",
+  user_id: "user-bob-5678",
+  user_email: "bob@example.com",
+};
+const alice = activity("alice-batch (team: research)", aliceMeta);
+const bob = activity("bob@example.com (team: research)", bobMeta);
+const orphan = activity("key-hash-deadbeef", { key_alias: null, team_id: null });
+
+const keyMetrics: Record<string, ModelActivityData> = {
+  "hash-alice": alice,
+  "hash-bob": bob,
+  deadbeef: orphan,
+};
+
+describe("keyActivityMatches", () => {
+  it("matches every key on an empty or whitespace query", () => {
+    expect(keyActivityMatches("deadbeef", orphan, "")).toBe(true);
+    expect(keyActivityMatches("deadbeef", orphan, "   ")).toBe(true);
+  });
+
+  it("matches key alias case-insensitively", () => {
+    expect(keyActivityMatches("hash-alice", alice, "ALICE-batch")).toBe(true);
+    expect(keyActivityMatches("hash-bob", bob, "alice-batch")).toBe(false);
+  });
+
+  it("matches user email", () => {
+    expect(keyActivityMatches("hash-bob", bob, "bob@example")).toBe(true);
+    expect(keyActivityMatches("hash-alice", alice, "bob@example")).toBe(false);
+  });
+
+  it("matches user id", () => {
+    expect(keyActivityMatches("hash-alice", alice, "user-alice-1234")).toBe(true);
+    expect(keyActivityMatches("hash-bob", bob, "user-alice-1234")).toBe(false);
+  });
+
+  it("matches the key hash when the key has no alias or user metadata", () => {
+    expect(keyActivityMatches("deadbeef", orphan, "dead")).toBe(true);
+    expect(keyActivityMatches("deadbeef", orphan, "alice")).toBe(false);
+  });
+
+  it("trims surrounding whitespace from the query", () => {
+    expect(keyActivityMatches("hash-alice", alice, "  alice@example.com  ")).toBe(true);
+  });
+});
+
+describe("filterKeyActivity", () => {
+  it("returns the same object when the query is blank", () => {
+    expect(filterKeyActivity(keyMetrics, "")).toBe(keyMetrics);
+  });
+
+  it("keeps only the keys matching the query, preserving their hashes", () => {
+    expect(Object.keys(filterKeyActivity(keyMetrics, "example.com"))).toEqual(["hash-alice", "hash-bob"]);
+    expect(filterKeyActivity(keyMetrics, "user-bob")).toEqual({ "hash-bob": bob });
+  });
+
+  it("returns an empty record when nothing matches", () => {
+    expect(filterKeyActivity(keyMetrics, "nobody")).toEqual({});
+  });
+});
diff --git a/ui/litellm-dashboard/src/components/UsagePage/keyActivityFilter.ts b/ui/litellm-dashboard/src/components/UsagePage/keyActivityFilter.ts
new file mode 100644
index 00000000000..1e9a654fb2e
--- /dev/null
+++ b/ui/litellm-dashboard/src/components/UsagePage/keyActivityFilter.ts
@@ -0,0 +1,20 @@
+import type { ModelActivityData } from "./types";
+
+export function keyActivityMatches(apiKey: string, data: ModelActivityData, query: string): boolean {
+  const needle = query.trim().toLowerCase();
+  if (needle === "") return true;
+  const meta = data.key_metadata;
+  return [apiKey, data.label, meta?.key_alias, meta?.user_id, meta?.user_email].some(
+    (field) => field?.toLowerCase().includes(needle) ?? false,
+  );
+}
+
+export function filterKeyActivity(
+  keyMetrics: Record<string, ModelActivityData>,
+  query: string,
+): Record<string, ModelActivityData> {
+  if (query.trim() === "") return keyMetrics;
+  return Object.fromEntries(
+    Object.entries(keyMetrics).filter(([apiKey, data]) => keyActivityMatches(apiKey, data, query)),
+  );
+}
diff --git a/ui/litellm-dashboard/src/components/UsagePage/types.ts b/ui/litellm-dashboard/src/components/UsagePage/types.ts
index a10e9e68c4d..fd4f1350020 100644
--- a/ui/litellm-dashboard/src/components/UsagePage/types.ts
+++ b/ui/litellm-dashboard/src/components/UsagePage/types.ts
@@ -46,6 +46,7 @@ export interface KeyMetricWithMetadata {
 export interface KeyMetadata {
   key_alias: string | null;
   team_id: string | null;
+  user_id?: string | null;
   user_email?: string | null;
   tags?: { tag: string; usage: number }[];
 }
@@ -70,6 +71,7 @@ export interface TopModelData {
 
 export interface ModelActivityData {
   label: string;
+  key_metadata?: KeyMetadata;
   total_requests: number;
   total_successful_requests: number;
   total_failed_requests: number;
diff --git a/ui/litellm-dashboard/src/components/activity_metrics.test.tsx b/ui/litellm-dashboard/src/components/activity_metrics.test.tsx
index b0fc8dc7866..914fe1872b6 100644
--- a/ui/litellm-dashboard/src/components/activity_metrics.test.tsx
+++ b/ui/litellm-dashboard/src/components/activity_metrics.test.tsx
@@ -655,6 +655,23 @@ describe("processActivityData", () => {
     expect(result["key1"].label).toBe("test-key-1 (team_id: team1)");
   });
 
+  it("retains the api key metadata so key activity can be searched by user", () => {
+    const metadata = { key_alias: "test-key-1", team_id: "team1", user_id: "user-1", user_email: "user1@example.com" };
+    const withUser: { results: DailyData[] } = {
+      results: [
+        createMockDailyData("2025-01-01", mockDailyActivity.results[0].metrics, {
+          ...EMPTY_BREAKDOWN,
+          api_keys: { key1: createMockKeyMetricWithMetadata(metadata, mockDailyActivity.results[0].metrics) },
+        }),
+      ],
+    };
+
+    const result = processActivityData(withUser, "api_keys", MOCK_TEAMS);
+
+    expect(result["key1"].key_metadata).toEqual(metadata);
+    expect(processActivityData(withUser, "models")["key1"]).toBeUndefined();
+  });
+
   it("should process data for models key with data", () => {
     const dailyActivityWithModels: { results: DailyData[] } = {
       results: [
diff --git a/ui/litellm-dashboard/src/components/activity_metrics.tsx b/ui/litellm-dashboard/src/components/activity_metrics.tsx
index f4348fb65ae..7c40a91be29 100644
--- a/ui/litellm-dashboard/src/components/activity_metrics.tsx
+++ b/ui/litellm-dashboard/src/components/activity_metrics.tsx
@@ -461,6 +461,7 @@ export const processActivityData = (
               : key === "entities"
                 ? (modelData as any).metadata?.agent_name || (modelData as any).metadata?.team_alias || model
                 : model,
+          ...(key === "api_keys" ? { key_metadata: (modelData as KeyMetricWithMetadata).metadata } : {}),
           total_requests: 0,
           total_successful_requests: 0,
           total_failed_requests: 0,
diff --git a/ui/litellm-dashboard/src/lib/http/schema.d.ts b/ui/litellm-dashboard/src/lib/http/schema.d.ts
index 9e844b992b2..506e3f65a8a 100644
--- a/ui/litellm-dashboard/src/lib/http/schema.d.ts
+++ b/ui/litellm-dashboard/src/lib/http/schema.d.ts
@@ -28374,6 +28374,8 @@ export interface components {
             team_id?: string | null;
             /** User Email */
             user_email?: string | null;
+            /** User Id */
+            user_id?: string | null;
         };
         /**
          * KeyMetricWithMetadata