Cities and Communities in Southern Ontario
(check also Northern Ontario)
| Quadeville | Raglan | Richmond (Ottawa) | Rockton |
| Queensborough | Rainham Centre | Richmond (Elgin) | Rockwood |
| Queenston | Rama Road | Richmond Hill | Rodney |
| Queensville | Rankin | Rideau Ferry | Roebuck |
| Quinte West | Rannoch | Ridgetown | Rolphton |
| Ravenna | Ridgeville | Rondeau Park | |
| Ravenscliffe | Ridgeway | Rosedale (Frontenac) | |
| Ravenshoe | Rimington | Rosedale (Victoria) | |
| Ravensview | Ringwood | Rosehall | |
| Ravenswood | Ripley | Rosemont | |
| Raymond | River Drive Park | Roseneath | |
| Reaboro | Riversdale | Roseville | |
| Red Bay | Riverview | Roslin | |
| Redbridge | Riverview Heights | Rosseau | |
| Redickville | Roblin | Rosseau Road | |
| Rednersville | Roches Point | Rossmore | |
| Reeces Corners | Rockcliffe Park | Rostock | |
| Reevecraig | Rockford | Rothsay | |
| Renfrew | Rockingham | Round Lake Centre | |
| Renton | Rockland | Routhier | |
| Restoule | Rocklyn | Ruscom Station | |
| Rheault | Rockport | Russell | |
| Riceville | Rocksprings | Russell Landing | |
| Russelldale | |||
| Rutherford | |||
| Rutherglen | |||
| Ruthven |