|Administrative region||Central Greece|
|• Municipality||777.4 km2 (300.2 sq mi)|
|• Municipality density||24/km2 (63/sq mi)|
|Time zone||UTC+2 (EET)|
|• Summer (DST)||UTC+3 (EEST)|
Dirfys-Messapia (Greek: Δίρφυς-Μεσσάπια) is a municipality in the Euboea regional unit, Central Greece, Greece. The seat of the municipality is the town Psachna. The municipality has an area of 777.420 km2.
The municipality Dirfys-Messapia was formed at the 2011 local government reform by the merger of the following 2 former municipalities, that became municipal units: