diff --git a/change/@fluentui-react-combobox-05c147ce-b714-4845-8ccd-ec6268ba92cf.json b/change/@fluentui-react-combobox-05c147ce-b714-4845-8ccd-ec6268ba92cf.json
new file mode 100644
index 00000000000000..ca59d97315668b
--- /dev/null
+++ b/change/@fluentui-react-combobox-05c147ce-b714-4845-8ccd-ec6268ba92cf.json
@@ -0,0 +1,7 @@
+{
+  "type": "minor",
+  "comment": "export selection types from combobox",
+  "packageName": "@fluentui/react-combobox",
+  "email": "mgodbolt@microsoft.com",
+  "dependentChangeType": "patch"
+}
diff --git a/packages/react-components/react-combobox/etc/react-combobox.api.md b/packages/react-components/react-combobox/etc/react-combobox.api.md
index bb95e10b2eaedd..359a21b2dd24ec 100644
--- a/packages/react-components/react-combobox/etc/react-combobox.api.md
+++ b/packages/react-components/react-combobox/etc/react-combobox.api.md
@@ -144,6 +144,13 @@ export type OptionGroupSlots = {
 // @public
 export type OptionGroupState = ComponentState<OptionGroupSlots>;
 
+// @public (undocumented)
+export type OptionOnSelectData = {
+    optionValue: string | undefined;
+    optionText: string | undefined;
+    selectedOptions: string[];
+};
+
 // @public
 export type OptionProps = ComponentProps<Partial<OptionSlots>> & {
     disabled?: boolean;
@@ -185,6 +192,9 @@ export const renderOption_unstable: (state: OptionState) => JSX.Element;
 // @public
 export const renderOptionGroup_unstable: (state: OptionGroupState) => JSX.Element;
 
+// @public (undocumented)
+export type SelectionEvents = React_2.ChangeEvent<HTMLElement> | React_2.KeyboardEvent<HTMLElement> | React_2.MouseEvent<HTMLElement>;
+
 // @public
 export const useCombobox_unstable: (props: ComboboxProps, ref: React_2.Ref<HTMLInputElement>) => ComboboxState;
 
diff --git a/packages/react-components/react-combobox/src/Selection.ts b/packages/react-components/react-combobox/src/Selection.ts
new file mode 100644
index 00000000000000..d86fba9de50e2c
--- /dev/null
+++ b/packages/react-components/react-combobox/src/Selection.ts
@@ -0,0 +1 @@
+export * from './utils/Selection.types';
diff --git a/packages/react-components/react-combobox/src/index.ts b/packages/react-components/react-combobox/src/index.ts
index bb95cbfb3cb5b4..a67185022f463e 100644
--- a/packages/react-components/react-combobox/src/index.ts
+++ b/packages/react-components/react-combobox/src/index.ts
@@ -58,3 +58,4 @@ export {
   useOptionGroup_unstable,
 } from './OptionGroup';
 export type { OptionGroupProps, OptionGroupSlots, OptionGroupState } from './OptionGroup';
+export type { OptionOnSelectData, SelectionEvents } from './Selection';