West Sullivan
- County:
- Crawford County
- County Seat:
- No
- Area (mi²):
- 0.364
- State:
- Missouri
West Sullivan is a town located in Crawford County, Missouri. West Sullivan has a 2026 population of 281. West Sullivan is currently declining at a rate of 0% annually and its population has decreased by -2.09% since the most recent census, which recorded a population of 287 in 2020.