Harrison
- County:
- Sioux County
- County Seat:
- Yes
- Area (mi²):
- 0.306
- State:
- Nebraska
Harrison is a village located in Sioux County, Nebraska. Harrison has a 2026 population of 228. It is also the county seat of Sioux County. Harrison is currently declining at a rate of -4.6% annually and its population has decreased by -4.2% since the most recent census, which recorded a population of 238 in 2020.