diff --git a/packages/react-native/React/CxxBridge/RCTCxxBridge.mm b/packages/react-native/React/CxxBridge/RCTCxxBridge.mm
index bab39104d5234b..9ea645d4752688 100644
--- a/packages/react-native/React/CxxBridge/RCTCxxBridge.mm
+++ b/packages/react-native/React/CxxBridge/RCTCxxBridge.mm
@@ -66,7 +66,7 @@
 
 static NSString *const RCTJSThreadName = @"com.facebook.react.JavaScript";
 
-typedef void (^RCTPendingCall)();
+using RCTPendingCall = void (^)();
 
 using namespace facebook::jsi;
 using namespace facebook::react;
diff --git a/packages/react-native/React/DevSupport/RCTInspectorNetworkHelper.h b/packages/react-native/React/DevSupport/RCTInspectorNetworkHelper.h
index 3494b5b9135c07..db6091f62ffbfc 100644
--- a/packages/react-native/React/DevSupport/RCTInspectorNetworkHelper.h
+++ b/packages/react-native/React/DevSupport/RCTInspectorNetworkHelper.h
@@ -11,11 +11,11 @@
 
 #import <jsinspector-modern/ReactCdp.h>
 
-typedef facebook::react::jsinspector_modern::NetworkRequestListener RCTInspectorNetworkListener;
+using RCTInspectorNetworkListener = facebook::react::jsinspector_modern::NetworkRequestListener;
 
-typedef facebook::react::jsinspector_modern::ScopedExecutor<RCTInspectorNetworkListener> RCTInspectorNetworkExecutor;
+using RCTInspectorNetworkExecutor = facebook::react::jsinspector_modern::ScopedExecutor<RCTInspectorNetworkListener>;
 
-typedef facebook::react::jsinspector_modern::LoadNetworkResourceRequest RCTInspectorLoadNetworkResourceRequest;
+using RCTInspectorLoadNetworkResourceRequest = facebook::react::jsinspector_modern::LoadNetworkResourceRequest;
 
 /**
  * A helper class that wraps around NSURLSession to make network requests.
diff --git a/packages/react-native/React/DevSupport/RCTInspectorNetworkHelper.mm b/packages/react-native/React/DevSupport/RCTInspectorNetworkHelper.mm
index 538d9767e1d2f4..53e8fde774ecbe 100644
--- a/packages/react-native/React/DevSupport/RCTInspectorNetworkHelper.mm
+++ b/packages/react-native/React/DevSupport/RCTInspectorNetworkHelper.mm
@@ -8,7 +8,7 @@
 #import "RCTInspectorNetworkHelper.h"
 #import <React/RCTLog.h>
 
-typedef void (^ListenerBlock)(RCTInspectorNetworkListener *);
+using ListenerBlock = void (^)(RCTInspectorNetworkListener *);
 
 @interface RCTInspectorNetworkHelper () <NSURLSessionDataDelegate>
 @property (nonatomic, strong) NSURLSession *session;
diff --git a/packages/react-native/React/Modules/RCTUIManagerObserverCoordinator.h b/packages/react-native/React/Modules/RCTUIManagerObserverCoordinator.h
index eeb569c41ee2f0..35804ac1677137 100644
--- a/packages/react-native/React/Modules/RCTUIManagerObserverCoordinator.h
+++ b/packages/react-native/React/Modules/RCTUIManagerObserverCoordinator.h
@@ -9,7 +9,7 @@
 
 #import <React/RCTViewManager.h>
 
-typedef dispatch_block_t RCTUIManagerMountingBlock;
+using RCTUIManagerMountingBlock = dispatch_block_t;
 
 /**
  * Allows hooking into UIManager internals. This can be used to execute code at
diff --git a/packages/react-native/React/Views/RCTFont.mm b/packages/react-native/React/Views/RCTFont.mm
index fe350138fd9590..ed6425e9cf2b2a 100644
--- a/packages/react-native/React/Views/RCTFont.mm
+++ b/packages/react-native/React/Views/RCTFont.mm
@@ -205,7 +205,7 @@ + (UIFont *)UIFont:(id)json
     UIFontWeightRegular,
     doubleValue)
 
-typedef BOOL RCTFontStyle;
+using RCTFontStyle = BOOL;
 RCT_ENUM_CONVERTER(
     RCTFontStyle,
     (@{
@@ -216,7 +216,7 @@ + (UIFont *)UIFont:(id)json
     NO,
     boolValue)
 
-typedef NSDictionary RCTFontVariantDescriptor;
+using RCTFontVariantDescriptor = NSDictionary;
 + (RCTFontVariantDescriptor *)RCTFontVariantDescriptor:(id)json
 {
   static NSDictionary *mapping;
diff --git a/packages/react-native/ReactCommon/cxxreact/CxxModule.h b/packages/react-native/ReactCommon/cxxreact/CxxModule.h
index fed1a7353a3b47..a825c401388abc 100644
--- a/packages/react-native/ReactCommon/cxxreact/CxxModule.h
+++ b/packages/react-native/ReactCommon/cxxreact/CxxModule.h
@@ -53,9 +53,9 @@ class CxxModule {
   class SyncTagType {};
 
  public:
-  typedef std::function<std::unique_ptr<CxxModule>()> Provider;
+  using Provider = std::function<std::unique_ptr<CxxModule>()>;
 
-  typedef std::function<void(std::vector<folly::dynamic>)> Callback;
+  using Callback = std::function<void(std::vector<folly::dynamic>)>;
 
   constexpr static AsyncTagType AsyncTag = AsyncTagType();
   constexpr static SyncTagType SyncTag = SyncTagType();
diff --git a/packages/react-native/ReactCommon/cxxreact/JsArgumentHelpers.h b/packages/react-native/ReactCommon/cxxreact/JsArgumentHelpers.h
index 9a907017985c05..cf5343cb3e7348 100644
--- a/packages/react-native/ReactCommon/cxxreact/JsArgumentHelpers.h
+++ b/packages/react-native/ReactCommon/cxxreact/JsArgumentHelpers.h
@@ -68,8 +68,8 @@ namespace detail {
 // only for types compatible with folly::dynamic.
 template <typename T>
 struct is_dynamic {
-  typedef typename std::
-      enable_if<std::is_assignable<folly::dynamic, T>::value, T>::type type;
+  using type = typename std::
+      enable_if<std::is_assignable<folly::dynamic, T>::value, T>::type;
 };
 
 } // end namespace detail
diff --git a/packages/react-native/ReactCommon/logger/react_native_log.h b/packages/react-native/ReactCommon/logger/react_native_log.h
index 5f585efa4287c0..a05b4c6e6a31a7 100644
--- a/packages/react-native/ReactCommon/logger/react_native_log.h
+++ b/packages/react-native/ReactCommon/logger/react_native_log.h
@@ -14,7 +14,7 @@ enum ReactNativeLogLevel {
   ReactNativeLogLevelFatal = 4
 };
 
-typedef void (*reactnativelogfunctype)(ReactNativeLogLevel, const char*);
+using reactnativelogfunctype = void (*)(ReactNativeLogLevel, const char*);
 
 #ifdef __cplusplus
 extern "C" {