Otter township
- County:
- Cowley County
- County Seat:
- No
- Area (mi²):
- 51.772
- State:
- Kansas
Otter township is located in Cowley County, Kansas. Otter township has a 2026 population of 32. Otter township is currently declining at a rate of 0% annually and its population has decreased by -3.03% since the most recent census, which recorded a population of 33 in 2020.