diff --git a/.changeset/hot-areas-teach.md b/.changeset/hot-areas-teach.md
new file mode 100644
index 000000000..966ee61c3
--- /dev/null
+++ b/.changeset/hot-areas-teach.md
@@ -0,0 +1,5 @@
+---
+'@radix-ui/react-radio-group': patch
+---
+
+add aria-disabled on radio-group root
diff --git a/packages/react/radio-group/src/radio-group.tsx b/packages/react/radio-group/src/radio-group.tsx
index 07d646e05..e9caa3454 100644
--- a/packages/react/radio-group/src/radio-group.tsx
+++ b/packages/react/radio-group/src/radio-group.tsx
@@ -96,6 +96,7 @@ const RadioGroup = React.forwardRef<RadioGroupElement, RadioGroupProps>(
             role="radiogroup"
             aria-required={required}
             aria-orientation={orientation}
+            aria-disabled={disabled}
             data-disabled={disabled ? '' : undefined}
             dir={direction}
             {...groupProps}