Marion Township is one of twelve townships in Hendricks County, Indiana, United States.

As of the 2010 census, its population was 1,402.

[2] Marion Township covers an area of 38.62 square miles (100.0 km2), all land.

(This list is based on USGS data and may include former settlements.)

The township contains fifteen cemeteries: Abner-Ragan, Dickerson, Higgins, New Winchester Baptist, New Winchester, Noland Number 1, Peck, Robbins, Ryner, Sears, Shannon, Tinder, Turner, Turner Farm and Vannice.