Places beginning with RU in Ohio, United States
- Ruby (historical)
- Rubyville
- Rudolph
- Rugby (historical)
- Ruggles
- Ruggles Beach
- Ruggles, Township of
- Rumley
- Rumley, Township of
- Rupels
- Rupert
- Rural
- Ruraldale
- Ruraldale (subdivision)
- Rush
- Rushcreek, Township of
- Rush Creek, Township of
- Rushmore
- Rush Road (historical)
- Rush Run
- Rushsylvania
- Rushtown
- Rush, Township of
- Rush, Township of
- Rush, Township of
- Rushville
- Rushville
- Russell
- Russell
- Russell Center
- Russells
- Russells Point
- Russell, Township of
- Russellville
- Russia
- Russia, Township of
- Ruth
- Rutland
- Rutland, Township of