|Administrative region||Central Greece|
|• Municipality||804.98 km2 (310.80 sq mi)|
|• Municipality density||35/km2 (91/sq mi)|
|Time zone||UTC+2 (EET)|
|• Summer (DST)||UTC+3 (EEST)|
Kymi-Aliveri (Greek: Κύμη-Αλιβέρι) is a municipality in the Euboea regional unit, Central Greece, Greece. The seat of the municipality is the town Aliveri. The municipal unit has an area of 804.983 km2.
The municipality Kymi-Aliveri was formed at the 2011 local government reform by the merger of the following 5 former municipalities, that became municipal units: