Kalkaska (pronounced /kælkæskə/) is a village in the U.S. state of Michigan. As of the 2000 census, the village population was 2,226. It is the county seat of Kalkaska County.
According to the United States Census Bureau, the village has a total area of 2.5 square miles (6.5 km²), of which, 2.5 square miles (6.5 km²) of it is land and 0.04 square miles (0.1 km²) of it (0.79%) is water.
The village is situated on an expansive plauteau along with much of Northern Michigan. The Boardman River runs through the village.