Lewisville
- County:
- Lafayette County
- County Seat:
- Yes
- Area (mi²):
- 2.148
- State:
- Arkansas
Lewisville is a city located in Lafayette County, Arkansas. Lewisville has a 2026 population of 867. It is also the county seat of Lafayette County. Lewisville is currently declining at a rate of -1.14% annually and its population has decreased by -4.3% since the most recent census, which recorded a population of 906 in 2020.