Places beginning with RA in Illinois, United States
- Raccoon, Township of
- Raddle
- Radford
- Radley
- Radnor, Township of
- Radom
- Radville
- Rafetown
- Ragtown (historical)
- Rainbow Hills
- Raleigh
- Raleigh, Township of
- Rambling Hills East (subdivision)
- Rambling Hills (subdivision)
- Rambling Hills West (subdivision)
- Ramsey
- Ramsey Acres
- Ramsey, Township of
- Randall Hills (subdivision)
- Randolph
- Randolph
- Randolph County
- Randolph, Township of
- Rankin
- Ransom
- Rantoul
- Rantoul, Township of
- Rapatee
- Rapids City
- Rardin
- Raritan
- Raritan, Township of
- Raum
- Raven
- Ravens Wing (subdivision)
- Ravenswood Gardens (subdivision)
- Ravenswood Manor (subdivision)
- Ravenswood Place (subdivision)
- Ravenswood (subdivision)
- Ravinia
- Ravinia Park (subdivision)
- Rawalts
- Rawlins, Township of
- Rawson Bridge
- Ray
- Raymond
- Raymond, Township of
- Raymond, Township of
- Raynor Park
- Rayville