Route 21A, or Highway 21A, may refer to:
India
editUnited States
edit- County Road 21A (Clay County, Florida)
- M-21A (Michigan highway) (former)
- Nebraska Spur 21A
- New Jersey Route 21A (former)
- New York State Route 21A (former)
- Secondary State Highway 21A (Washington) (former)
See also
edit