diff --git a/.changeset/fix-action-data.md b/.changeset/fix-action-data.md
new file mode 100644
index 0000000000..376fc7f141
--- /dev/null
+++ b/.changeset/fix-action-data.md
@@ -0,0 +1,5 @@
+---
+"react-router": patch
+---
+
+Fix `useActionData` so it returns proper contextual action data and not _any_ action data in the tree
diff --git a/packages/react-router-dom/__tests__/data-browser-router-test.tsx b/packages/react-router-dom/__tests__/data-browser-router-test.tsx
index 574b653816..3c96cf2444 100644
--- a/packages/react-router-dom/__tests__/data-browser-router-test.tsx
+++ b/packages/react-router-dom/__tests__/data-browser-router-test.tsx
@@ -186,7 +186,6 @@ function testDomRouter(
         "<div>
           <div>
             parent data
-            child action
             idle
             <div>
               child data
@@ -238,7 +237,6 @@ function testDomRouter(
         "<div>
           <div>
             parent data
-            child action
             idle
             <div>
               child data
@@ -1042,7 +1040,17 @@ function testDomRouter(
               lazy={async () => ({
                 action: () => actionDefer.promise,
                 loader: () => loaderDefer.promise,
-                element: <h1>Action</h1>,
+                Component() {
+                  let data = useLoaderData() as string;
+                  let actionData = useActionData() as string | undefined;
+                  return (
+                    <>
+                      <h1>Action</h1>
+                      <p>{data}</p>
+                      <p>{actionData}</p>
+                    </>
+                  );
+                },
               })}
             />
           </Route>
@@ -1054,8 +1062,6 @@ function testDomRouter(
       let { container } = render(<RouterProvider router={router} />);
 
       function Home() {
-        let data = useMatches().pop()?.data as string | undefined;
-        let actionData = useActionData() as string | undefined;
         let navigation = useNavigation();
         let submit = useSubmit();
         let formRef = React.useRef<HTMLFormElement>(null);
@@ -1067,8 +1073,6 @@ function testDomRouter(
             <button onClick={() => submit(formRef.current)}>Submit Form</button>
             <div id="output">
               <p>{navigation.state}</p>
-              <p>{data}</p>
-              <p>{actionData}</p>
               <Outlet />
             </div>
           </div>
@@ -1084,8 +1088,6 @@ function testDomRouter(
           <p>
             idle
           </p>
-          <p />
-          <p />
           <h1>
             Home
           </h1>
@@ -1102,8 +1104,6 @@ function testDomRouter(
           <p>
             submitting
           </p>
-          <p />
-          <p />
           <h1>
             Home
           </h1>
@@ -1120,10 +1120,6 @@ function testDomRouter(
           <p>
             loading
           </p>
-          <p />
-          <p>
-            Action Data
-          </p>
           <h1>
             Home
           </h1>
@@ -1140,15 +1136,15 @@ function testDomRouter(
           <p>
             idle
           </p>
+          <h1>
+            Action
+          </h1>
           <p>
             Loader Data
           </p>
           <p>
             Action Data
           </p>
-          <h1>
-            Action
-          </h1>
         </div>"
       `);
     });
@@ -1264,7 +1260,17 @@ function testDomRouter(
                   ).searchParams.get("test");
                   return `${resolvedValue}:${urlParam}`;
                 },
-                element: <h1>Path</h1>,
+                Component() {
+                  let data = useLoaderData() as string;
+                  let actionData = useActionData() as string | undefined;
+                  return (
+                    <>
+                      <h1>Path</h1>
+                      <p>{data}</p>
+                      <p>{actionData}</p>
+                    </>
+                  );
+                },
               })}
             />
           </Route>
@@ -1276,8 +1282,6 @@ function testDomRouter(
       let { container } = render(<RouterProvider router={router} />);
 
       function Home() {
-        let data = useMatches().pop()?.data as string | undefined;
-        let actionData = useActionData() as string | undefined;
         let navigation = useNavigation();
         return (
           <div>
@@ -1287,8 +1291,6 @@ function testDomRouter(
             </Form>
             <div id="output">
               <p>{navigation.state}</p>
-              <p>{data}</p>
-              <p>{actionData}</p>
               <Outlet />
             </div>
           </div>
@@ -1304,8 +1306,6 @@ function testDomRouter(
           <p>
             idle
           </p>
-          <p />
-          <p />
           <h1>
             Home
           </h1>
@@ -1322,8 +1322,6 @@ function testDomRouter(
           <p>
             loading
           </p>
-          <p />
-          <p />
           <h1>
             Home
           </h1>
@@ -1340,13 +1338,13 @@ function testDomRouter(
           <p>
             idle
           </p>
+          <h1>
+            Path
+          </h1>
           <p>
             Loader Data:value
           </p>
           <p />
-          <h1>
-            Path
-          </h1>
         </div>"
       `);
     });
@@ -1477,7 +1475,17 @@ function testDomRouter(
                   return `${resolvedValue}:${formData.get("test")}`;
                 },
                 loader: () => loaderDefer.promise,
-                element: <h1>Action</h1>,
+                Component() {
+                  let data = useLoaderData() as string;
+                  let actionData = useActionData() as string | undefined;
+                  return (
+                    <>
+                      <h1>Action</h1>
+                      <p>{data}</p>
+                      <p>{actionData}</p>
+                    </>
+                  );
+                },
               })}
             />
           </Route>
@@ -1490,8 +1498,6 @@ function testDomRouter(
       let { container } = render(<RouterProvider router={router} />);
 
       function Home() {
-        let data = useMatches().pop()?.data as string | undefined;
-        let actionData = useActionData() as string | undefined;
         let navigation = useNavigation();
         return (
           <div>
@@ -1501,8 +1507,6 @@ function testDomRouter(
             </Form>
             <div id="output">
               <p>{navigation.state}</p>
-              <p>{data}</p>
-              <p>{actionData}</p>
               <Outlet />
             </div>
           </div>
@@ -1518,8 +1522,6 @@ function testDomRouter(
           <p>
             idle
           </p>
-          <p />
-          <p />
           <h1>
             Home
           </h1>
@@ -1536,8 +1538,6 @@ function testDomRouter(
           <p>
             submitting
           </p>
-          <p />
-          <p />
           <h1>
             Home
           </h1>
@@ -1554,10 +1554,6 @@ function testDomRouter(
           <p>
             loading
           </p>
-          <p />
-          <p>
-            Action Data:value
-          </p>
           <h1>
             Home
           </h1>
@@ -1574,15 +1570,15 @@ function testDomRouter(
           <p>
             idle
           </p>
+          <h1>
+            Action
+          </h1>
           <p>
             Loader Data
           </p>
           <p>
             Action Data:value
           </p>
-          <h1>
-            Action
-          </h1>
         </div>"
       `);
     });
@@ -2038,7 +2034,7 @@ function testDomRouter(
               path="1"
               action={() => "action"}
               loader={() => "1"}
-              element={<h1>Page 1</h1>}
+              element={<Page />}
             />
           </Route>
         ),
@@ -2052,7 +2048,6 @@ function testDomRouter(
       function Layout() {
         let navigate = useNavigate();
         let submit = useSubmit();
-        let actionData = useActionData() as string | undefined;
         let formData = new FormData();
         formData.append("test", "value");
         return (
@@ -2067,13 +2062,22 @@ function testDomRouter(
             </button>
             <button onClick={() => navigate(-1)}>Go back</button>
             <div className="output">
-              {actionData ? <p>{actionData}</p> : null}
               <Outlet />
             </div>
           </>
         );
       }
 
+      function Page() {
+        let actionData = useActionData() as string | undefined;
+        return (
+          <>
+            <h1>Page 1</h1>
+            <p>{actionData}</p>
+          </>
+        );
+      }
+
       expect(getHtml(container.querySelector(".output")!))
         .toMatchInlineSnapshot(`
         "<div
@@ -2095,6 +2099,7 @@ function testDomRouter(
           <h1>
             Page 1
           </h1>
+          <p />
         </div>"
       `);
 
@@ -2105,12 +2110,12 @@ function testDomRouter(
         "<div
           class="output"
         >
-          <p>
-            action
-          </p>
           <h1>
             Page 1
           </h1>
+          <p>
+            action
+          </p>
         </div>"
       `);
 
diff --git a/packages/react-router/__tests__/data-memory-router-test.tsx b/packages/react-router/__tests__/data-memory-router-test.tsx
index 65792421da..6ae0c0ecc5 100644
--- a/packages/react-router/__tests__/data-memory-router-test.tsx
+++ b/packages/react-router/__tests__/data-memory-router-test.tsx
@@ -295,7 +295,6 @@ describe("createMemoryRouter", () => {
       "<div>
         <div>
           parent data
-          child action
           idle
           <div>
             child data
diff --git a/packages/react-router/lib/hooks.tsx b/packages/react-router/lib/hooks.tsx
index 897c33d37b..1102fbe571 100644
--- a/packages/react-router/lib/hooks.tsx
+++ b/packages/react-router/lib/hooks.tsx
@@ -879,11 +879,8 @@ export function useRouteLoaderData(routeId: string): unknown {
  */
 export function useActionData(): unknown {
   let state = useDataRouterState(DataRouterStateHook.UseActionData);
-
-  let route = React.useContext(RouteContext);
-  invariant(route, `useActionData must be used inside a RouteContext`);
-
-  return Object.values(state?.actionData || {})[0];
+  let routeId = useCurrentRouteId(DataRouterStateHook.UseLoaderData);
+  return state.actionData ? state.actionData[routeId] : undefined;
 }
 
 /**