| Rentina | |
| Name Local: | Ρεντίνα |
| Type: | municipal unit |
| Periph: | Thessaly |
| Periphunit: | Karditsa |
| Population: | 261 |
| Population As Of: | 2021 |
| Area: | 57.0 |
| Coordinates: | 39.0667°N 22°W |
| Licence: | ΚΑ |
Rentina (Greek, Modern (1453-);: Ρεντίνα) is a village and a former municipality in the Karditsa regional unit, Thessaly, Greece. Since the 2011 local government reform it is part of the municipality Sofades, of which it is a municipal unit.[1] The municipal unit has an area of 56.968 km2.[2] Population 261 (2021). The village has been identified as the site of the ancient city of Ctimene.
Rentina is the birthplace of Greek Prime Minister Georgios Tsolakoglou (1886-1948).