Henry township
- County:
- Ottawa County
- County Seat:
- No
- Area (mi²):
- 35.85
- State:
- Kansas
Henry township is located in Ottawa County, Kansas. Henry township has a 2026 population of 28. Henry township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 28 in 2020.