diff --git a/docs/reference/generated/radio-group.json b/docs/reference/generated/radio-group.json
index 23fd13b5ed..9d0dfd9c63 100644
--- a/docs/reference/generated/radio-group.json
+++ b/docs/reference/generated/radio-group.json
@@ -33,6 +33,10 @@
       "default": "false",
       "description": "Whether the user must choose a value before submitting a form."
     },
+    "inputRef": {
+      "type": "React.Ref",
+      "description": "The ref to the hidden input element."
+    },
     "className": {
       "type": "string | (state) => string",
       "description": "CSS class applied to the element, or a function that\nreturns a class based on the component’s state."
diff --git a/docs/reference/generated/radio-root.json b/docs/reference/generated/radio-root.json
index 802113f470..fab6dee002 100644
--- a/docs/reference/generated/radio-root.json
+++ b/docs/reference/generated/radio-root.json
@@ -22,6 +22,10 @@
       "default": "false",
       "description": "Whether the user must choose a value before submitting a form."
     },
+    "inputRef": {
+      "type": "React.Ref",
+      "description": "The ref to the hidden input element."
+    },
     "className": {
       "type": "string | (state) => string",
       "description": "CSS class applied to the element, or a function that\nreturns a class based on the component’s state."
diff --git a/docs/reference/generated/select-root.json b/docs/reference/generated/select-root.json
index 9f4ea89248..a23c13f336 100644
--- a/docs/reference/generated/select-root.json
+++ b/docs/reference/generated/select-root.json
@@ -64,6 +64,10 @@
       "type": "boolean",
       "default": "false",
       "description": "Whether the user must choose a value before submitting a form."
+    },
+    "inputRef": {
+      "type": "React.Ref",
+      "description": "The ref to the hidden input element."
     }
   },
   "dataAttributes": {},
diff --git a/packages/react/src/radio-group/RadioGroup.tsx b/packages/react/src/radio-group/RadioGroup.tsx
index fb68ce6b5e..e83fa32caa 100644
--- a/packages/react/src/radio-group/RadioGroup.tsx
+++ b/packages/react/src/radio-group/RadioGroup.tsx
@@ -33,6 +33,7 @@ const RadioGroup = React.forwardRef(function RadioGroup(
     required,
     onValueChange: onValueChangeProp,
     name,
+    inputRef,
     ...otherProps
   } = props;
 
@@ -136,6 +137,10 @@ namespace RadioGroup {
      * Callback fired when the value changes.
      */
     onValueChange?: (value: unknown, event: Event) => void;
+    /**
+     * The ref to the hidden input element.
+     */
+    inputRef?: React.Ref<HTMLInputElement>;
   }
 }
 
@@ -164,6 +169,15 @@ RadioGroup.propTypes /* remove-proptypes */ = {
    * @default false
    */
   disabled: PropTypes.bool,
+  /**
+   * The ref to the hidden input element.
+   */
+  inputRef: PropTypes.oneOfType([
+    PropTypes.func,
+    PropTypes.shape({
+      current: PropTypes.object,
+    }),
+  ]),
   /**
    * Identifies the field when a form is submitted.
    */
diff --git a/packages/react/src/radio-group/useRadioGroup.ts b/packages/react/src/radio-group/useRadioGroup.ts
index 5c6ba9de95..4173792784 100644
--- a/packages/react/src/radio-group/useRadioGroup.ts
+++ b/packages/react/src/radio-group/useRadioGroup.ts
@@ -7,7 +7,7 @@ import { useFieldRootContext } from '../field/root/FieldRootContext';
 import { useBaseUiId } from '../utils/useBaseUiId';
 import { useFieldControlValidation } from '../field/control/useFieldControlValidation';
 import { useField } from '../field/useField';
-import { visuallyHidden } from '../utils';
+import { useForkRef, visuallyHidden } from '../utils';
 
 export function useRadioGroup(params: useRadioGroup.Parameters) {
   const {
@@ -17,6 +17,7 @@ export function useRadioGroup(params: useRadioGroup.Parameters) {
     defaultValue,
     readOnly,
     value: externalValue,
+    inputRef: inputRefProp,
   } = params;
 
   const {
@@ -35,6 +36,8 @@ export function useRadioGroup(params: useRadioGroup.Parameters) {
 
   const id = useBaseUiId();
 
+  const ref = useForkRef(fieldControlValidation.inputRef, inputRefProp);
+
   const [checkedValue, setCheckedValue] = useControlled({
     controlled: externalValue,
     default: defaultValue,
@@ -109,7 +112,7 @@ export function useRadioGroup(params: useRadioGroup.Parameters) {
       mergeProps<'input'>(
         {
           value: serializedCheckedValue,
-          ref: fieldControlValidation.inputRef,
+          ref,
           id,
           name,
           disabled,
@@ -121,7 +124,7 @@ export function useRadioGroup(params: useRadioGroup.Parameters) {
         },
         fieldControlValidation.getInputValidationProps(externalProps),
       ),
-    [fieldControlValidation, serializedCheckedValue, id, name, disabled, readOnly, required],
+    [serializedCheckedValue, ref, id, name, disabled, readOnly, required, fieldControlValidation],
   );
 
   return React.useMemo(
@@ -146,5 +149,6 @@ namespace useRadioGroup {
     readOnly?: boolean;
     defaultValue?: unknown;
     value?: unknown;
+    inputRef?: React.Ref<HTMLInputElement>;
   }
 }
diff --git a/packages/react/src/radio/root/RadioRoot.tsx b/packages/react/src/radio/root/RadioRoot.tsx
index 6f051ebe3a..fbd896db34 100644
--- a/packages/react/src/radio/root/RadioRoot.tsx
+++ b/packages/react/src/radio/root/RadioRoot.tsx
@@ -27,6 +27,7 @@ const RadioRoot = React.forwardRef(function RadioRoot(
     disabled: disabledProp = false,
     readOnly: readOnlyProp = false,
     required: requiredProp = false,
+    inputRef,
     ...otherProps
   } = props;
 
@@ -47,6 +48,7 @@ const RadioRoot = React.forwardRef(function RadioRoot(
     ...props,
     disabled,
     readOnly,
+    inputRef,
   });
 
   const state: RadioRoot.State = React.useMemo(
@@ -101,6 +103,10 @@ namespace RadioRoot {
      * @default false
      */
     readOnly?: boolean;
+    /**
+     * The ref to the hidden input element.
+     */
+    inputRef?: React.Ref<HTMLInputElement>;
   }
 
   export interface State {
@@ -139,6 +145,15 @@ RadioRoot.propTypes /* remove-proptypes */ = {
    * @default false
    */
   disabled: PropTypes.bool,
+  /**
+   * The ref to the hidden input element.
+   */
+  inputRef: PropTypes.oneOfType([
+    PropTypes.func,
+    PropTypes.shape({
+      current: PropTypes.object,
+    }),
+  ]),
   /**
    * Whether the user should be unable to select the radio button.
    * @default false
diff --git a/packages/react/src/radio/root/useRadioRoot.tsx b/packages/react/src/radio/root/useRadioRoot.tsx
index 24542d20d9..cde453e32a 100644
--- a/packages/react/src/radio/root/useRadioRoot.tsx
+++ b/packages/react/src/radio/root/useRadioRoot.tsx
@@ -5,9 +5,10 @@ import { visuallyHidden } from '../../utils/visuallyHidden';
 import { useRadioGroupContext } from '../../radio-group/RadioGroupContext';
 import { useFieldRootContext } from '../../field/root/FieldRootContext';
 import { useEnhancedEffect } from '../../utils/useEnhancedEffect';
+import { useForkRef } from '../../utils';
 
 export function useRadioRoot(params: useRadioRoot.Parameters) {
-  const { disabled, readOnly, value, required } = params;
+  const { disabled, readOnly, value, required, inputRef: inputRefProp } = params;
 
   const {
     checkedValue,
@@ -29,6 +30,7 @@ export function useRadioRoot(params: useRadioRoot.Parameters) {
   const checked = checkedValue === value;
 
   const inputRef = React.useRef<HTMLInputElement>(null);
+  const ref = useForkRef(inputRefProp, inputRef);
 
   useEnhancedEffect(() => {
     if (inputRef.current?.checked) {
@@ -83,7 +85,7 @@ export function useRadioRoot(params: useRadioRoot.Parameters) {
       mergeProps<'input'>(
         {
           type: 'radio',
-          ref: inputRef,
+          ref,
           tabIndex: -1,
           style: visuallyHidden,
           'aria-hidden': true,
@@ -115,6 +117,7 @@ export function useRadioRoot(params: useRadioRoot.Parameters) {
         externalProps,
       ),
     [
+      ref,
       disabled,
       checked,
       required,
@@ -147,6 +150,7 @@ namespace useRadioRoot {
     disabled?: boolean;
     readOnly?: boolean;
     required?: boolean;
+    inputRef?: React.Ref<HTMLInputElement>;
   }
 
   export interface ReturnValue {
diff --git a/packages/react/src/select/root/SelectRoot.tsx b/packages/react/src/select/root/SelectRoot.tsx
index 4f0201167b..48e5e96c08 100644
--- a/packages/react/src/select/root/SelectRoot.tsx
+++ b/packages/react/src/select/root/SelectRoot.tsx
@@ -6,6 +6,7 @@ import { SelectRootContext } from './SelectRootContext';
 import { SelectIndexContext } from './SelectIndexContext';
 import { useFieldRootContext } from '../../field/root/FieldRootContext';
 import { visuallyHidden } from '../../utils/visuallyHidden';
+import { useForkRef } from '../../utils';
 
 /**
  * Groups all parts of the select.
@@ -30,6 +31,7 @@ const SelectRoot: SelectRoot = function SelectRoot<Value>(
     required = false,
     modal = true,
     actionsRef,
+    inputRef,
     onOpenChangeComplete,
   } = props;
 
@@ -55,6 +57,8 @@ const SelectRoot: SelectRoot = function SelectRoot<Value>(
   const { rootContext } = selectRoot;
   const value = rootContext.value;
 
+  const ref = useForkRef(inputRef, rootContext.fieldControlValidation.inputRef);
+
   const serializedValue = React.useMemo(() => {
     if (value == null) {
       return ''; // avoid uncontrolled -> controlled error
@@ -105,7 +109,7 @@ const SelectRoot: SelectRoot = function SelectRoot<Value>(
             required: rootContext.required,
             readOnly: rootContext.readOnly,
             value: serializedValue,
-            ref: rootContext.fieldControlValidation.inputRef,
+            ref,
             style: visuallyHidden,
             tabIndex: -1,
             'aria-hidden': true,
@@ -119,6 +123,10 @@ const SelectRoot: SelectRoot = function SelectRoot<Value>(
 namespace SelectRoot {
   export interface Props<Value> extends useSelectRoot.Parameters<Value> {
     children?: React.ReactNode;
+    /**
+     * The ref to the hidden input element.
+     */
+    inputRef?: React.Ref<HTMLInputElement>;
   }
 
   export interface State {}
@@ -172,6 +180,15 @@ SelectRoot.propTypes /* remove-proptypes */ = {
    * @default false
    */
   disabled: PropTypes.bool,
+  /**
+   * The ref to the hidden input element.
+   */
+  inputRef: PropTypes.oneOfType([
+    PropTypes.func,
+    PropTypes.shape({
+      current: PropTypes.object,
+    }),
+  ]),
   /**
    * Whether the select should prevent outside clicks and lock page scroll when open.
    * @default true
diff --git a/packages/react/src/slider/root/SliderRoot.tsx b/packages/react/src/slider/root/SliderRoot.tsx
index 6041efae68..e3ecbba113 100644
--- a/packages/react/src/slider/root/SliderRoot.tsx
+++ b/packages/react/src/slider/root/SliderRoot.tsx
@@ -102,7 +102,7 @@ const SliderRoot = React.forwardRef(function SliderRoot<Value extends number | r
     ],
   );
 
-  const contextValue = React.useMemo(
+  const contextValue: SliderRootContext = React.useMemo(
     () => ({
       ...slider,
       format,
@@ -236,6 +236,7 @@ namespace SliderRoot {
     onValueCommitted?: (value: Value extends number ? number : Value, event: Event) => void;
   }
 }
+
 export { SliderRoot };
 
 SliderRoot.propTypes /* remove-proptypes */ = {
diff --git a/packages/react/src/slider/thumb/SliderThumb.tsx b/packages/react/src/slider/thumb/SliderThumb.tsx
index 1ca824aa8c..e75f238c08 100644
--- a/packages/react/src/slider/thumb/SliderThumb.tsx
+++ b/packages/react/src/slider/thumb/SliderThumb.tsx
@@ -50,6 +50,7 @@ const SliderThumb = React.forwardRef(function SliderThumb(
     onFocus: onFocusProp,
     onKeyDown: onKeyDownProp,
     tabIndex: tabIndexProp,
+    inputRef,
     ...otherProps
   } = props;
 
@@ -110,6 +111,7 @@ const SliderThumb = React.forwardRef(function SliderThumb(
     step,
     tabIndex: tabIndexProp ?? contextTabIndex,
     values,
+    inputRef,
   });
 
   const styleHooks = React.useMemo(
@@ -233,6 +235,15 @@ SliderThumb.propTypes /* remove-proptypes */ = {
    * @ignore
    */
   inputId: PropTypes.string,
+  /**
+   * @ignore
+   */
+  inputRef: PropTypes.oneOfType([
+    PropTypes.func,
+    PropTypes.shape({
+      current: PropTypes.object,
+    }),
+  ]),
   /**
    * @ignore
    */
diff --git a/packages/react/src/slider/thumb/useSliderThumb.ts b/packages/react/src/slider/thumb/useSliderThumb.ts
index 5515760261..49d317e50e 100644
--- a/packages/react/src/slider/thumb/useSliderThumb.ts
+++ b/packages/react/src/slider/thumb/useSliderThumb.ts
@@ -76,6 +76,7 @@ export function useSliderThumb(parameters: useSliderThumb.Parameters): useSlider
     orientation,
     percentageValues,
     rootRef: externalRef,
+    inputRef: inputRefProp,
     step,
     tabIndex: externalTabIndex,
     values: sliderValues,
@@ -91,7 +92,7 @@ export function useSliderThumb(parameters: useSliderThumb.Parameters): useSlider
 
   const thumbRef = React.useRef<HTMLElement>(null);
   const inputRef = React.useRef<HTMLInputElement>(null);
-  const mergedInputRef = useForkRef(inputRef, inputValidationRef);
+  const mergedInputRef = useForkRef(inputRef, inputValidationRef, inputRefProp);
 
   const thumbMetadata = React.useMemo(
     () => ({
@@ -403,6 +404,7 @@ export namespace useSliderThumb {
      * @default null
      */
     tabIndex: number | null;
+    inputRef: React.Ref<HTMLInputElement> | undefined;
   }
 
   export interface ReturnValue {
diff --git a/packages/react/src/slider/value/SliderValue.test.tsx b/packages/react/src/slider/value/SliderValue.test.tsx
index 6fbc744a3c..896e4dd30c 100644
--- a/packages/react/src/slider/value/SliderValue.test.tsx
+++ b/packages/react/src/slider/value/SliderValue.test.tsx
@@ -52,6 +52,7 @@ const testRootContext: SliderRootContext = {
   tabIndex: null,
   thumbRefs: { current: [] },
   values: [0],
+  inputRef: { current: null },
 };
 
 describe('<Slider.Value />', () => {