flutter · auto-submit · Jan 23, 2026 · Jan 5, 2026 · Jan 7, 2026 · Jan 15, 2026
diff --git a/packages/flutter/lib/src/cupertino/bottom_tab_bar.dart b/packages/flutter/lib/src/cupertino/bottom_tab_bar.dart
@@ -253,7 +253,7 @@ class CupertinoTabBar extends StatelessWidget implements PreferredSizeWidget {
   List<Widget> _buildSingleTabItem(BottomNavigationBarItem item, bool active) {
     return <Widget>[
       Expanded(child: Center(child: active ? item.activeIcon : item.icon)),
-      if (item.label != null) Text(item.label!),
+      if (item.label != null) Text(item.label!, semanticsLabel: item.semanticsLabel),
     ];
   }
 

diff --git a/packages/flutter/lib/src/material/bottom_navigation_bar.dart b/packages/flutter/lib/src/material/bottom_navigation_bar.dart
@@ -742,7 +742,7 @@ class _Label extends StatelessWidget {
           ),
         ),
         alignment: Alignment.bottomCenter,
-        child: Text(item.label!),
+        child: Text(item.label!, semanticsLabel: item.semanticsLabel),
       ),
     );
 

diff --git a/packages/flutter/lib/src/widgets/bottom_navigation_bar_item.dart b/packages/flutter/lib/src/widgets/bottom_navigation_bar_item.dart
@@ -38,6 +38,7 @@ class BottomNavigationBarItem {
     Widget? activeIcon,
     this.backgroundColor,
     this.tooltip,
+    this.semanticsLabel,
   }) : activeIcon = activeIcon ?? icon;
 
   /// A key to be passed through to the resultant widget.
@@ -104,4 +105,16 @@ class BottomNavigationBarItem {
   ///
   /// Defaults to null, in which case the tooltip is not shown.
   final String? tooltip;
+
+  /// The semantic label for this [BottomNavigationBarItem].
+  ///
+  /// This is used by accessibility tools to describe the item. When provided,
+  /// it overrides the default [label] String when read by accessibility tools.
+  ///
+  /// This is useful when the visual label does not fully describe the action
+  /// or destination, or when you want to provide additional context for
+  /// screen reader users.
+  ///
+  /// If null, the default semantic description is used.
+  final String? semanticsLabel;
 }
diff --git a/packages/flutter/test/cupertino/bottom_tab_bar_test.dart b/packages/flutter/test/cupertino/bottom_tab_bar_test.dart
@@ -702,4 +702,49 @@ Future<void> main() async {
     );
     expect(tester.getSize(find.byType(CupertinoTabBar)), Size.zero);
   });
+
+  testWidgets('CupertinoTabBar item semanticsLabel overrides label for accessibility', (
+    WidgetTester tester,
+  ) async {
+    final semantics = SemanticsTester(tester);
+
+    await pumpWidgetWithBoilerplate(
+      tester,
+      MediaQuery(
+        data: const MediaQueryData(),
+        child: CupertinoTabBar(
+          items: <BottomNavigationBarItem>[
+            BottomNavigationBarItem(
+              icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
+              label: 'A',
+              semanticsLabel: 'Custom A label',
+            ),
+            BottomNavigationBarItem(
+              icon: ImageIcon(MemoryImage(Uint8List.fromList(kTransparentImage))),
+              label: 'B',
+            ),
+          ],
+        ),
+      ),
+    );
+
+    // Tab A should use the custom semanticsLabel
+    expect(
+      semantics,
+      includesNodeWith(
+        label: 'Custom A label',
+        hint: 'Tab 1 of 2',
+        flags: <SemanticsFlag>[SemanticsFlag.hasSelectedState, SemanticsFlag.isSelected],
+        textDirection: TextDirection.ltr,
+      ),
+    );
+
+    // Tab B should use the default label since no semanticsLabel is provided
+    expect(
+      semantics,
+      includesNodeWith(label: 'B', hint: 'Tab 2 of 2', textDirection: TextDirection.ltr),
+    );
+
+    semantics.dispose();
+  });
 }
diff --git a/packages/flutter/test/material/bottom_navigation_bar_test.dart b/packages/flutter/test/material/bottom_navigation_bar_test.dart
@@ -3102,6 +3102,30 @@ void main() {
     final Finder xText = find.text('X');
     expect(tester.getSize(xText).isEmpty, isTrue);
   });
+
+  testWidgets('BottomNavigationBarItem.semanticsLabel overrides Text semantics', (
+    WidgetTester tester,
+  ) async {
+    await tester.pumpWidget(
+      boilerplate(
+        textDirection: TextDirection.ltr,
+        bottomNavigationBar: BottomNavigationBar(
+          items: const <BottomNavigationBarItem>[
+            BottomNavigationBarItem(
+              icon: Icon(Icons.ac_unit),
+              label: 'A',
+              semanticsLabel: 'Custom A label',
+            ),
+            BottomNavigationBarItem(icon: Icon(Icons.access_alarm), label: 'B'),
+          ],
+        ),
+      ),
+    );
+
+    expect(tester.getSemantics(find.text('A')), isSemantics(label: 'Custom A label\nTab 1 of 2'));
+
+    expect(tester.getSemantics(find.text('B')), isSemantics(label: 'B\nTab 2 of 2'));
+  });
 }
 
 Widget boilerplate({
-Original file line number
+Diff line change
@@ Expand Up / @@ -742,7 +742,7 @@ class _Label extends StatelessWidget { @@
               ),
             ),
             alignment: Alignment.bottomCenter,
-            child: Text(item.label!),
+            child: Text(item.label!, semanticsLabel: item.semanticsLabel),
           ),
         );
@@ Expand Down @@