- Racine
- Radnor
- Rarden
- Ravenna
- Rawson
- Rayland
- Raymond
- Reading
- Reminderville
- Remington
- Rendville
- Reno
- Republic
- Reynoldsburg
- Richfield
- Richmond
- Richmond Dale
- Richmond Heights
- Richville
- Richwood
- Ridgeville Corners
- Ridgeway
- Rio Grande
- Ripley
- Risingsun
- Rittman
- Riverlea
- Riverside
- Roaming Shores
- Robertsville
- Rochester
- Rock Creek
- Rockbridge
- Rockford
- Rockford
- Rocky Fork Point
- Rocky Ridge
- Rocky River
- Rogers
- Rosemount
- Roseville
- Rosewood
- Ross
- Rossburg
- Rossburg
- Rossford
- Rossmoyne
- Roswell
- Rudolph
- Rushsylvania
- Rushville
- Russells Point
- Russellville
- Russia
- Rutland
