diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/MapBuffer.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/MapBuffer.kt
index c9f8789a9fb..4530302021c 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/MapBuffer.kt
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/MapBuffer.kt
@@ -7,6 +7,8 @@
 
 package com.facebook.react.common.mapbuffer
 
+import com.facebook.react.common.annotations.StableReactNativeAPI
+
 /**
  * MapBuffer is an optimized sparse array format for transferring props-like data between C++ and
  * JNI. It is designed to:
@@ -23,6 +25,7 @@ package com.facebook.react.common.mapbuffer
  * - O(log(N)) random key access for native buffers due to selected structure. Faster access can be
  *   achieved by retrieving [MapBuffer.Entry] with [entryAt] on known offsets.
  */
+@StableReactNativeAPI
 interface MapBuffer : Iterable<MapBuffer.Entry> {
   companion object {
     /**
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/MapBufferSoLoader.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/MapBufferSoLoader.kt
index f88cb5572ef..818c2c51990 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/MapBufferSoLoader.kt
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/MapBufferSoLoader.kt
@@ -9,9 +9,11 @@ package com.facebook.react.common.mapbuffer
 
 import com.facebook.react.bridge.ReactMarker
 import com.facebook.react.bridge.ReactMarkerConstants
+import com.facebook.react.common.annotations.StableReactNativeAPI
 import com.facebook.soloader.SoLoader
 import com.facebook.systrace.Systrace
 
+@StableReactNativeAPI
 object MapBufferSoLoader {
   @Volatile private var didInit = false
 
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/ReadableMapBuffer.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/ReadableMapBuffer.kt
index 329f8701f5f..b70fe1d2384 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/ReadableMapBuffer.kt
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/ReadableMapBuffer.kt
@@ -9,6 +9,7 @@ package com.facebook.react.common.mapbuffer
 
 import com.facebook.jni.HybridData
 import com.facebook.proguard.annotations.DoNotStrip
+import com.facebook.react.common.annotations.StableReactNativeAPI
 import com.facebook.react.common.mapbuffer.MapBuffer.Companion.KEY_RANGE
 import java.lang.StringBuilder
 import java.nio.ByteBuffer
@@ -21,6 +22,7 @@ import javax.annotation.concurrent.NotThreadSafe
  *
  * See [MapBuffer] documentation for more details
  */
+@StableReactNativeAPI
 @NotThreadSafe
 @DoNotStrip
 class ReadableMapBuffer : MapBuffer {
diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/WritableMapBuffer.kt b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/WritableMapBuffer.kt
index c3f161b518e..b687f7a77bc 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/WritableMapBuffer.kt
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/common/mapbuffer/WritableMapBuffer.kt
@@ -9,6 +9,7 @@ package com.facebook.react.common.mapbuffer
 
 import android.util.SparseArray
 import com.facebook.proguard.annotations.DoNotStrip
+import com.facebook.react.common.annotations.StableReactNativeAPI
 import com.facebook.react.common.mapbuffer.MapBuffer.Companion.KEY_RANGE
 import com.facebook.react.common.mapbuffer.MapBuffer.DataType
 import javax.annotation.concurrent.NotThreadSafe
@@ -19,6 +20,7 @@ import javax.annotation.concurrent.NotThreadSafe
  *
  * See [MapBuffer] for more details
  */
+@StableReactNativeAPI
 @NotThreadSafe
 @DoNotStrip
 class WritableMapBuffer : MapBuffer {