diff --git a/packages/react-native/Libraries/Core/setUpPerformanceObserver.js b/packages/react-native/Libraries/Core/setUpPerformanceObserver.js
new file mode 100644
index 00000000000..20e0f32f5c9
--- /dev/null
+++ b/packages/react-native/Libraries/Core/setUpPerformanceObserver.js
@@ -0,0 +1,16 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow strict-local
+ * @format
+ */
+
+import {polyfillGlobal} from '../Utilities/PolyfillFunctions';
+
+polyfillGlobal(
+  'PerformanceObserver',
+  () => require('../WebPerformance/PerformanceObserver').default,
+);