| Otter Township | |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kansas |
| Subdivision Type2: | County |
| Subdivision Name2: | Cowley |
| Area Total Km2: | 135.68 |
| Area Land Km2: | 134.76 |
| Area Water Km2: | 0.92 |
| Area Total Sq Mi: | 52.39 |
| Area Land Sq Mi: | 52.03 |
| Area Water Sq Mi: | 0.36 |
| Area Water Percent: | 0.68 |
| Population As Of: | 2000 |
| Population Total: | 54 |
| Population Density Km2: | 0.4 |
| Population Density Sq Mi: | 1 |
| Elevation M: | 322 |
| Elevation Ft: | 1056 |
| Coordinates: | 37.1872°N -96.5658°W |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0485517 |
Otter Township is a township in Cowley County, Kansas, USA. As of the 2000 census, its population was 54.
Otter Township covers an area of 52.39sqmi and contains no incorporated settlements. According to the USGS, it contains one cemetery, Cedar Creek.
The streams of Jim Creek, Little Beaver Creek, North Cedar Creek, Shafer Creek and South Cedar Creek run through this township.