| Official Name: | Pottawatomie Township |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kansas |
| Subdivision Type2: | County |
| Subdivision Name2: | Franklin |
| Area Total Km2: | 101.04 |
| Area Land Km2: | 100.58 |
| Area Water Km2: | 0.46 |
| Area Total Sq Mi: | 39.01 |
| Area Land Sq Mi: | 38.83 |
| Area Water Sq Mi: | 0.18 |
| Area Water Percent: | 0.46 |
| Population As Of: | 2000 |
| Population Total: | 669 |
| Population Density Km2: | 6.7 |
| Population Density Sq Mi: | 17.2 |
| Elevation M: | 271 |
| Elevation Ft: | 889 |
| Coordinates: | 38.4333°N -95.1211°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0477613 |
Pottawatomie Township is a township in Franklin County, Kansas, USA. As of the 2000 census, its population was 669.
Pottawatomie Township covers an area of 39.01sqmi and contains one incorporated settlement, Lane. According to the USGS, it contains three cemeteries: Baker, Lane and Needham.
The streams of Hahn Branch, Mosquito Creek, Pottawatomie Creek, North Fork Sac Branch and South Fork Sac Branch run through this township.
On May 24, 1856, during the Bleeding Kansas period of it was in Pottawatomie Township (north of Lane) at Dutch Henry's Crossing, on the Pottawatomie Creek, where the infamous Pottawatomie massacre took place. John Brown led a raid on a pro-slavery family's cabin in response to the Sacking of Lawrence. Five pro-slavery people were killed by Brown and his men. This attack was widely reported around the nation at the time and was one of several incidents that eventually led to the American Civil War.