- Reservation Island (historical)
- Reserve at Chadds Ford
- Reserve Township
- Reservoir Heights
- Reservoir Hill
- Reservoir Hill
- Resica Falls
- Resler
- Resolution Island
- Retta
- Revere
- Revloc
- Revolutionary Farm
- Rew
- Reward
- Rexford
- Rexis
- Rexmont
- Rextown
- Reynolds
- Reynolds Heights
- Reynolds Mill
- Reynoldsdale
- Reynoldstown
- Reynoldsville
- Rhawnhurst
- Rheems
- Rhoads
- Ribold
- Ribot