Marion Township is one of thirteen townships in Jasper County, Indiana, United States.

As of the 2020 census, its population was 6,648 (down from 7,571 at 2010[2]) and it contained 2,522 housing units.

Charles Halleck Student Center, Hugh and Leona Rank House, and Schwietermann Hall were listed on the National Register of Historic Places in 2016.

[2] The township contains three cemeteries: Crockett, Mount Calvary and Weston.

Marion Township residents are eligible to obtain a free library card from the Jasper County Public Library.