Columbia Township is one of eleven townships in Jennings County, Indiana, United States.

As of the 2020 census, its population was 920 (up from 868 at 2010[1]) and it contained 406 housing units.

[2] Columbia Township was established in 1817.

[3] According to the 2010 census, the township has a total area of 39.49 square miles (102.3 km2), of which 39.48 square miles (102.3 km2) (or 99.97%) is land and 0.02 square miles (0.052 km2) (or 0.05%) is water.

[1] The streams of Square Run and Wolf Creek run through this township.