diff --git a/docs/src/app/(docs)/react/components/autocomplete/types.md b/docs/src/app/(docs)/react/components/autocomplete/types.md
index 12c4077dda9..22a95a1ad7e 100644
--- a/docs/src/app/(docs)/react/components/autocomplete/types.md
+++ b/docs/src/app/(docs)/react/components/autocomplete/types.md
@@ -180,6 +180,8 @@ type AutocompleteTriggerState = {
   popupSide: Side | null;
   /** Present when the corresponding items list is empty. */
   listEmpty: boolean;
+  /** Whether the component should ignore user edits. */
+  readOnly: boolean;
   /** Whether the field has been touched. */
   touched: boolean;
   /** Whether the field value has changed from its initial value. */
diff --git a/docs/src/app/(docs)/react/components/combobox/types.md b/docs/src/app/(docs)/react/components/combobox/types.md
index cd801ef3a69..8a74f371f07 100644
--- a/docs/src/app/(docs)/react/components/combobox/types.md
+++ b/docs/src/app/(docs)/react/components/combobox/types.md
@@ -185,6 +185,8 @@ type ComboboxTriggerState = {
   open: boolean;
   /** Whether the component should ignore user interaction. */
   disabled: boolean;
+  /** Whether the component should ignore user edits. */
+  readOnly: boolean;
   /** Indicates which side the corresponding popup is positioned relative to its anchor. */
   popupSide: Side | null;
   /** Present when the corresponding items list is empty. */
diff --git a/packages/react/src/autocomplete/trigger/AutocompleteTrigger.tsx b/packages/react/src/autocomplete/trigger/AutocompleteTrigger.tsx
index 79580b95bef..8ea3f953339 100644
--- a/packages/react/src/autocomplete/trigger/AutocompleteTrigger.tsx
+++ b/packages/react/src/autocomplete/trigger/AutocompleteTrigger.tsx
@@ -30,6 +30,10 @@ export interface AutocompleteTriggerState extends FieldRootState {
    * Present when the corresponding items list is empty.
    */
   listEmpty: boolean;
+  /**
+   *  Whether the component should ignore user edits.
+   */
+  readOnly: boolean;
 }
 
 export interface AutocompleteTriggerProps
diff --git a/packages/react/src/combobox/trigger/ComboboxTrigger.test.tsx b/packages/react/src/combobox/trigger/ComboboxTrigger.test.tsx
index 16c8193aee5..e8e01bc166b 100644
--- a/packages/react/src/combobox/trigger/ComboboxTrigger.test.tsx
+++ b/packages/react/src/combobox/trigger/ComboboxTrigger.test.tsx
@@ -226,6 +226,20 @@ describe('<Combobox.Trigger />', () => {
   });
 
   describe('prop: readOnly', () => {
+    it('applies the data-readonly style hook only when readOnly', async () => {
+      const { setProps } = await render(
+        <Combobox.Root readOnly>
+          <Combobox.Trigger data-testid="trigger">Open</Combobox.Trigger>
+        </Combobox.Root>,
+      );
+
+      const trigger = screen.getByTestId('trigger');
+      expect(trigger).toHaveAttribute('data-readonly', '');
+
+      await setProps({ readOnly: false });
+      expect(trigger).not.toHaveAttribute('data-readonly');
+    });
+
     it('should not open popup when readOnly', async () => {
       const { user } = await render(
         <Combobox.Root readOnly>
diff --git a/packages/react/src/combobox/trigger/ComboboxTrigger.tsx b/packages/react/src/combobox/trigger/ComboboxTrigger.tsx
index 70f50144958..d4cc6a9550f 100644
--- a/packages/react/src/combobox/trigger/ComboboxTrigger.tsx
+++ b/packages/react/src/combobox/trigger/ComboboxTrigger.tsx
@@ -130,6 +130,7 @@ export const ComboboxTrigger = React.forwardRef(function ComboboxTrigger(
 
   const state: ComboboxTriggerState = {
     ...fieldState,
+    readOnly,
     open,
     disabled,
     popupSide,
@@ -270,6 +271,10 @@ export interface ComboboxTriggerState extends FieldRootState {
    * Whether the component should ignore user interaction.
    */
   disabled: boolean;
+  /**
+   * Whether the component should ignore user edits.
+   */
+  readOnly: boolean;
   /**
    * Indicates which side the corresponding popup is positioned relative to its anchor.
    */