| Geropotamos | |
| Name Local: | Γεροπόταμος |
| Type: | municipal unit |
| Periph: | Crete |
| Periphunit: | Rethymno |
| Pop Municunit: | 7516 |
| Population As Of: | 2021 |
| Area Municunit: | 194.6 |
| Coordinates: | 35.3667°N 69°W |
| Licence: | ΡΕ |
Geropotamos (Greek, Modern (1453-);: Γεροπόταμος) is a former municipality in the Rethymno regional unit, Crete, Greece. Since the 2011 local government reform it is part of the municipality Mylopotamos, of which it is a municipal unit.[1] The municipal unit has an area of 194.59km2.[2] Population 7,516 (2021). The seat of the municipality was in Perama.