West Ontario township
- County:
- Wells County
- County Seat:
- No
- Area (mi²):
- 35.397
- State:
- North Dakota
West Ontario township is located in Wells County, North Dakota. West Ontario township has a 2025 population of 40. West Ontario township is currently declining at a rate of 0% annually and its population has decreased by -2.44% since the most recent census, which recorded a population of 41 in 2020.
The median age in West Ontario township is 31.5 years: 0 years for males, and 18.5 years for females.