diff --git a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/views/text/TextAttributeProps.java b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/views/text/TextAttributeProps.java
index 09bddc6ea292c5..aa450d79fd2111 100644
--- a/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/views/text/TextAttributeProps.java
+++ b/packages/react-native/ReactAndroid/src/main/java/com/facebook/react/views/text/TextAttributeProps.java
@@ -59,6 +59,7 @@ public class TextAttributeProps {
   public static final short TA_KEY_ACCESSIBILITY_ROLE = 24;
   public static final short TA_KEY_LINE_BREAK_STRATEGY = 25;
   public static final short TA_KEY_ROLE = 26;
+  public static final short TA_KEY_TEXT_TRANSFORM = 27;
 
   public static final int UNSET = -1;
 
@@ -217,6 +218,9 @@ public static TextAttributeProps fromMapBuffer(MapBuffer props) {
         case TA_KEY_ROLE:
           result.setRole(Role.values()[entry.getIntValue()]);
           break;
+        case TA_KEY_TEXT_TRANSFORM:
+          result.setTextTransform(entry.getStringValue());
+          break;
       }
     }
 
@@ -224,7 +228,6 @@ public static TextAttributeProps fromMapBuffer(MapBuffer props) {
     // setNumberOfLines
     // setColor
     // setIncludeFontPadding
-    // setTextTransform
     return result;
   }
 
diff --git a/packages/react-native/ReactCommon/react/renderer/attributedstring/conversions.h b/packages/react-native/ReactCommon/react/renderer/attributedstring/conversions.h
index 9b562666bc7992..445e452e1f4d98 100644
--- a/packages/react-native/ReactCommon/react/renderer/attributedstring/conversions.h
+++ b/packages/react-native/ReactCommon/react/renderer/attributedstring/conversions.h
@@ -970,6 +970,7 @@ constexpr static MapBuffer::Key TA_KEY_LAYOUT_DIRECTION = 23;
 constexpr static MapBuffer::Key TA_KEY_ACCESSIBILITY_ROLE = 24;
 constexpr static MapBuffer::Key TA_KEY_LINE_BREAK_STRATEGY = 25;
 constexpr static MapBuffer::Key TA_KEY_ROLE = 26;
+constexpr static MapBuffer::Key TA_KEY_TEXT_TRANSFORM = 27;
 
 // constants for ParagraphAttributes serialization
 constexpr static MapBuffer::Key PA_KEY_MAX_NUMBER_OF_LINES = 0;
@@ -1077,6 +1078,11 @@ inline MapBuffer toMapBuffer(const TextAttributes& textAttributes) {
         TA_KEY_LINE_BREAK_STRATEGY,
         toString(*textAttributes.lineBreakStrategy));
   }
+  if (textAttributes.textTransform.has_value()) {
+    builder.putString(
+        TA_KEY_TEXT_TRANSFORM, toString(*textAttributes.textTransform));
+  }
+
   // Decoration
   if (textAttributes.textDecorationColor) {
     builder.putInt(