| Estiaiotida | |
| Name Local: | Εστιαιώτιδα |
| Type: | municipal unit |
| Periph: | Thessaly |
| Periphunit: | Trikala |
| Pop Municunit: | 2452 |
| Population As Of: | 2021 |
| Area Municunit: | 39.8 |
| Coordinates: | 39.5667°N 72°W |
| Licence: | ΤΚ |
Estiaiotida (Greek, Modern (1453-);: Εστιαιώτιδα) is a former municipality in the Trikala regional unit, Thessaly, Greece. Since the 2011 local government reform, it is part of the municipality Trikala, of which it is a municipal unit.[1] The municipal unit has an area of 39.762 km2.[2] Population 2,452 (2021). The seat of the municipality was in Megalochori. The municipality was named after Histiaeotis, an ancient district of Thessaly region.