diff --git a/packages/ui-library/src/components/index.ts b/packages/ui-library/src/components/index.ts
index 76e94ddd..0f28050e 100644
--- a/packages/ui-library/src/components/index.ts
+++ b/packages/ui-library/src/components/index.ts
@@ -41,7 +41,7 @@ import RuiLogo, { type Props as LogoProps } from '@/components/logos/RuiLogo.vue
 import RuiBadge, { type Props as BadgeProps } from '@/components/overlays/badge/RuiBadge.vue';
 import RuiBottomSheet, { type BottomSheetProps } from '@/components/overlays/bottom-sheet/RuiBottomSheet.vue';
 import RuiDialog, { type DialogProps, type RuiDialogClassNames } from '@/components/overlays/dialog/RuiDialog.vue';
-import RuiMenu, { type MenuProps, type RuiMenuClassNames } from '@/components/overlays/menu/RuiMenu.vue';
+import RuiMenu, { type MenuProps, type RuiMenuClassNames, type RuiMenuRole } from '@/components/overlays/menu/RuiMenu.vue';
 import RuiNavigationDrawer, { type NavigationDrawerProps, type RuiNavigationDrawerClassNames } from '@/components/overlays/navigation-drawer/RuiNavigationDrawer.vue';
 import RuiNotification, { type NotificationProps } from '@/components/overlays/notification/RuiNotification.vue';
 import RuiTooltip, { type RuiTooltipClassNames, type Props as TooltipProps } from '@/components/overlays/tooltip/RuiTooltip.vue';
@@ -105,6 +105,7 @@ export type {
   RuiDateTimePickerProps,
   RuiDialogClassNames,
   RuiMenuClassNames,
+  RuiMenuRole,
   RuiMenuSelectClassNames,
   RuiNavigationDrawerClassNames,
   RuiSliderClassNames,
diff --git a/packages/ui-library/src/components/overlays/menu/RuiMenu.spec.ts b/packages/ui-library/src/components/overlays/menu/RuiMenu.spec.ts
index 06df0e32..5f32b82e 100644
--- a/packages/ui-library/src/components/overlays/menu/RuiMenu.spec.ts
+++ b/packages/ui-library/src/components/overlays/menu/RuiMenu.spec.ts
@@ -290,6 +290,42 @@ describe('components/overlays/menu/RuiMenu.vue', () => {
     expect(activatorWrapper.attributes('aria-expanded')).toBe('false');
   });
 
+  describe('role', () => {
+    it('should default the popover to role="menu"', async () => {
+      wrapper = createWrapper();
+
+      await wrapper.find('#trigger').trigger('click');
+      await vi.runAllTimersAsync();
+
+      expect(queryByRole('menu')).toBeTruthy();
+    });
+
+    it('should apply a custom role to the popover', async () => {
+      wrapper = createWrapper({
+        props: {
+          role: 'listbox',
+        },
+      });
+
+      await wrapper.find('#trigger').trigger('click');
+      await vi.runAllTimersAsync();
+
+      expect(queryByRole('listbox')).toBeTruthy();
+      expect(queryByRole('menu')).toBeFalsy();
+    });
+
+    it('should match aria-haspopup on the activator wrapper to the role', () => {
+      wrapper = createWrapper({
+        props: {
+          role: 'listbox',
+        },
+      });
+
+      const activatorWrapper = wrapper.find('[data-menu-disabled]');
+      expect(activatorWrapper.attributes('aria-haspopup')).toBe('listbox');
+    });
+  });
+
   it('should not close when persistent and clicking outside', async () => {
     wrapper = createWrapper({
       props: {
diff --git a/packages/ui-library/src/components/overlays/menu/RuiMenu.stories.ts b/packages/ui-library/src/components/overlays/menu/RuiMenu.stories.ts
index d764a796..522100ca 100644
--- a/packages/ui-library/src/components/overlays/menu/RuiMenu.stories.ts
+++ b/packages/ui-library/src/components/overlays/menu/RuiMenu.stories.ts
@@ -48,6 +48,10 @@ const meta = preview.meta({
     openOnHover: { control: 'boolean' },
     persistOnActivatorClick: { control: 'boolean' },
     popper: { control: 'object' },
+    role: {
+      control: 'select',
+      options: ['menu', 'listbox', 'tree', 'grid', 'dialog'],
+    },
   },
   component: RuiMenu,
   parameters: {
diff --git a/packages/ui-library/src/components/overlays/menu/RuiMenu.vue b/packages/ui-library/src/components/overlays/menu/RuiMenu.vue
index c22bf5b8..f1a72592 100644
--- a/packages/ui-library/src/components/overlays/menu/RuiMenu.vue
+++ b/packages/ui-library/src/components/overlays/menu/RuiMenu.vue
@@ -18,6 +18,12 @@ export interface RuiMenuClassNames {
   content?: VueClassValue;
 }
 
+/**
+ * Roles a popover container may take. These are the values `aria-haspopup`
+ * accepts, which keeps the activator and the popover in agreement.
+ */
+export type RuiMenuRole = 'menu' | 'listbox' | 'tree' | 'grid' | 'dialog';
+
 export interface MenuProps {
   openOnHover?: boolean;
   fullWidth?: boolean;
@@ -47,6 +53,13 @@ export interface MenuProps {
    * against this element.
    */
   anchorEl?: HTMLElement;
+  /**
+   * Role of the teleported popover. Defaults to `menu`, which is correct when
+   * the content is made of `menuitem`s. Set it to `listbox` (or `tree`, `grid`,
+   * `dialog`) when the content follows a different ARIA model, e.g. a selection
+   * list opened by a `combobox`. The activator's `aria-haspopup` follows it.
+   */
+  role?: RuiMenuRole;
 }
 
 defineOptions({
@@ -76,6 +89,7 @@ const {
   persistent = false,
   disableAutoFocus = false,
   anchorEl,
+  role = 'menu',
 } = defineProps<MenuProps>();
 
 defineSlots<{
@@ -146,6 +160,10 @@ const ui = computed<ReturnType<typeof menuStyles>>(() => menuStyles({
   dense,
 }));
 
+// `aria-haspopup="true"` is equivalent to `"menu"`; keep emitting `true` for
+// the default so nothing changes for existing callers.
+const ariaHasPopup = computed<RuiMenuRole | 'true'>(() => role === 'menu' ? 'true' : role);
+
 // NOTE: both computed functions must return the *same* object shape from
 // every branch — otherwise vue-tsc infers the slot's `attrs` type as a
 // discriminated union where each key is either "all defined" or "all
@@ -262,7 +280,7 @@ onClickOutside(menu, () => {
       ref="activator"
       :class="ui.wrapper({ class: cn(classNames?.wrapper) ?? cn(wrapperClass as VueClassValue) })"
       :data-menu-disabled="disabled"
-      aria-haspopup="true"
+      :aria-haspopup="ariaHasPopup"
       :aria-expanded="open"
     >
       <slot
@@ -278,7 +296,7 @@ onClickOutside(menu, () => {
         v-if="visible"
         ref="menu"
         :class="ui.popover({ class: cn(classNames?.menu) ?? cn(menuClass as VueClassValue) })"
-        role="menu"
+        :role="role"
         :data-placement="currentPlacement"
         @click="closeOnContentClick ? onLeave() : undefined"
         @keydown.esc.stop="onLeave()"