R
| Ancient name | Location | Modern name | Also known as |
| Rhamnus | northern Attica, Greece | abandoned | Rhamnous |
| Rhegion (Ρήγιoν) | "toe of Italy", Calabria, southern Italy | Reggio Calabria | Erythrà (Ερυθρά), Rhegium Julium |
| Rhethymnos | Northern Crete, Greece | ||
| Rhodes | Rhodes, Greece | Ródos (Ρόδος), | |
| Rhypes, (Ῥύπες) | Achaia, Greece | destroyed | |
| Rizinia | Crete | abandoned | Prinias, Rize, Rhizenia |
Read more about this topic: List Of Ancient Greek Cities