Smackover
- Country: United States
- State: Arkansas
- Population: 1,763 (2016)
- Latitude: 33° 21.9' N (33.36485°)
- Longitude: 92° 43.5' W (-92.72488°)
- Elevation: 37 m/121 ft. above sea level
- Time zone: America/Chicago (UTC -06:00); DST observed (UTC -05:00)