diff --git a/packages/react-native/ReactCommon/react/test_utils/ios/RCTSwizzleHelpers.h b/packages/react-native/ReactCommon/react/test_utils/ios/RCTSwizzleHelpers.h
new file mode 100644
index 00000000000..79ca15d2a65
--- /dev/null
+++ b/packages/react-native/ReactCommon/react/test_utils/ios/RCTSwizzleHelpers.h
@@ -0,0 +1,19 @@
+/*
+ * 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.
+ */
+
+#import <Foundation/Foundation.h>
+
+#import <React/RCTDefines.h>
+
+RCT_EXTERN_C_BEGIN
+
+void RCTSwizzleInstanceSelector(
+    Class targetClass,
+    Class swizzleClass,
+    SEL selector);
+
+RCT_EXTERN_C_END
diff --git a/packages/react-native/ReactCommon/react/test_utils/ios/RCTSwizzleHelpers.m b/packages/react-native/ReactCommon/react/test_utils/ios/RCTSwizzleHelpers.m
new file mode 100644
index 00000000000..989a3474b73
--- /dev/null
+++ b/packages/react-native/ReactCommon/react/test_utils/ios/RCTSwizzleHelpers.m
@@ -0,0 +1,17 @@
+/*
+ * 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.
+ */
+
+#import "RCTSwizzleHelpers.h"
+
+#import <objc/runtime.h>
+
+void RCTSwizzleInstanceSelector(Class targetClass, Class swizzleClass, SEL selector)
+{
+  Method originalMethod = class_getInstanceMethod(targetClass, selector);
+  Method swizzleMethod = class_getInstanceMethod(swizzleClass, selector);
+  method_exchangeImplementations(originalMethod, swizzleMethod);
+}