diff --git a/change/react-native-windows-6593511a-1c25-4e75-9063-39c9c49042a8.json b/change/react-native-windows-6593511a-1c25-4e75-9063-39c9c49042a8.json
new file mode 100644
index 00000000000..63e81c59a16
--- /dev/null
+++ b/change/react-native-windows-6593511a-1c25-4e75-9063-39c9c49042a8.json
@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Expose ReactNativeWindow from ReactNativeWin32App",
+  "packageName": "react-native-windows",
+  "email": "30809111+acoates-ms@users.noreply.github.com",
+  "dependentChangeType": "patch"
+}
diff --git a/vnext/Microsoft.ReactNative/ReactNativeAppBuilder.idl b/vnext/Microsoft.ReactNative/ReactNativeAppBuilder.idl
index 04432d2f4be..88088bdab6b 100644
--- a/vnext/Microsoft.ReactNative/ReactNativeAppBuilder.idl
+++ b/vnext/Microsoft.ReactNative/ReactNativeAppBuilder.idl
@@ -14,6 +14,8 @@ namespace Microsoft.ReactNative {
         // Properties
         Microsoft.UI.Windowing.AppWindow AppWindow {get;};
 
+        ReactNativeWindow ReactNativeWindow {get;};
+
         ReactNativeHost ReactNativeHost {get;};
 
         ReactViewOptions ReactViewOptions {get;};