Places beginning with RA in South Dakota, United States
- Raber, Township of
- Racine, Township of
- Ragged Top (historical)
- Rainbow, Township of
- Rainy Creek/Cheyenne, Township of
- Rainy Creek (historical), Township of
- Ralph
- Rames, Township of
- Ramona
- Ramona, Town of
- Ramsey, Township of
- Randall (historical), Township of
- Randolph
- Rapid City
- Rapid City
- Rapid City East, Unorganized Territory of
- Rapid (historical), Township of
- Rapid Valley
- Raritan (historical), Township of
- Raritan, Township of
- Rauville
- Rauville, Township of
- Ravenna, Township of
- Ravinia
- Ravinia, Town of
- Ravinia, Township of
- Raymond
- Raymond, Town of
- Raymond, Township of