Olive township
- County:
- Decatur County
- County Seat:
- No
- Area (mi²):
- 35.422
- State:
- Kansas
Olive township is located in Decatur County, Kansas. Olive township has a 2026 population of 51. Olive township is currently declining at a rate of -1.92% annually and its population has decreased by -1.92% since the most recent census, which recorded a population of 52 in 2020.