| Official Name: | Jamestown Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Steuben |
| Government Type: | Indiana township |
| Area Total Sq Mi: | 23.68 |
| Area Land Sq Mi: | 20.7 |
| Area Water Sq Mi: | 2.98 |
| Area Water Percent: | 12.58 |
| Population As Of: | 2020 |
| Population Footnotes: | [1] |
| Population Total: | 3269 |
| Population Density Sq Mi: | 157 |
| Elevation Footnotes: | [2] |
| Elevation M: | 297 |
| Elevation Ft: | 974 |
| Coordinates: | 41.7308°N -85.0286°W |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Area Code: | 260 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 453476 |
Jamestown Township is one of twelve townships in Steuben County, Indiana, United States. As of the 2020 census, its population was 3,269, up from 3,249 at 2010,[3] and it contained 2,724 housing units.
Pokagon State Park, Collins School, and CCC Shelter are listed on the National Register of Historic Places.
According to the 2010 census, the township has a total area of, of which (or 87.42%) is land and (or 12.58%) is water.[3] Lakes in this township include Barton Lake, Big Otter Lake, Failing Lake, Green Lake, Hog Lake, Jimmerson Lake, Lake Charles West, Lake Lonidaw, Lake Minfenokee, Little Otter Lake, Lone Hickory Lake, Long Beach Lake, Marsh Lake, Middle Basin of Lake James, Seven Sisters Lakes, Snow Lake and the Upper Basin of Lake James. The stream of Follette Creek runs through this township.
(This list is based on USGS data and may include former settlements.)
The township contains one cemetery, Jamestown.
Jamestown Township residents may obtain a free library card from the Fremont Public Library.[4]