| Official Name: | Marion Township |
| Settlement Type: | Township |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Owen |
| Government Type: | Indiana township |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 35.94 |
| Area Land Sq Mi: | 35.87 |
| Area Water Sq Mi: | 0.07 |
| Area Water Percent: | 0.19 |
| Population As Of: | 2020 |
| Population Total: | 922 |
| Population Density Sq Mi: | auto |
| Elevation M: | 211 |
| Elevation Ft: | 692 |
| Coordinates: | 39.3053°N -86.9994°W |
| Postal Code Type: | ZIP codes |
| Postal Code: | 47427, 47431, 47455, 47460, 47833, 47841 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 453610 |
Marion Township is one of thirteen townships in Owen County, Indiana, United States. As of the 2020 census, its population was 922 (slightly up from 916 at 2010[1]) and it contained 413 housing units.[2]
Marion Township was founded in 1835.[3]
According to the 2010 census, the township has a total area of, of which (or 99.81%) is land and (or 0.19%) is water.[1]
(This list is based on USGS data and may include former settlements.)
The township contains these eight cemeteries: Burger Cemetery, Humble Cemetery (an Indiana Pioneer Cemetery,) Marion Cemetery, Mast Cemetery, Rea Cemetery, Red Brush Cemetery, Stephens Cemetery and Steubenville Cemetery.