| Echinaioi | |
| Name Local: | Εχιναίοι |
| Type: | municipal unit |
| Periph: | Central Greece |
| Periphunit: | Phthiotis |
| Pop Municunit: | 3279 |
| Population As Of: | 2021 |
| Area Municunit: | 133.1 |
| Coordinates: | 38.8833°N 69°W |
| Licence: | ΜΙ |
Echinaioi (el|Εχιναίοι) is a former municipality in Phthiotis, Greece. Since the 2011 local government reform it is part of the municipality Stylida, of which it is a municipal unit.[1] The municipal unit has an area of 133.052 km2.[2] Population 3,279 (2021). The seat of the municipality was in Raches. The name of the municipality derives from the inhabitans of the ancient city of "Echinos", today's Achinos village.