Collinston is a village in Morehouse Parish, Louisiana, United States. The population was 327 at the 2000 census. It is part of the Bastrop Micropolitan Statistical Area.
Collinston is located at 32°41′24″N 91°52′18″W / 32.69°N 91.87167°W / 32.69; -91.87167 (32.690121, -91.871583).
According to the United States Census Bureau, the village has a total area of 1.1 square miles (2.9 km²), all land.