diff --git a/.changeset/gorgeous-dragons-hang.md b/.changeset/gorgeous-dragons-hang.md
new file mode 100644
index 0000000000..dd9a8d1076
--- /dev/null
+++ b/.changeset/gorgeous-dragons-hang.md
@@ -0,0 +1,5 @@
+---
+"react-router": patch
+---
+
+Provide `isRouteErrorResponse` utility in `react-server` environments
diff --git a/packages/react-router/index-react-server.ts b/packages/react-router/index-react-server.ts
index fe245336e0..0e4bf1230d 100644
--- a/packages/react-router/index-react-server.ts
+++ b/packages/react-router/index-react-server.ts
@@ -47,6 +47,7 @@ export { createStaticHandler } from "./lib/router/router";
 export {
   data,
   matchRoutes,
+  isRouteErrorResponse,
   unstable_createContext,
   unstable_RouterContextProvider,
 } from "./lib/router/utils";