Columbia Falls
- Country: United States
- State: Montana
- Population: 5,241 (2016)
- Latitude: 48° 22.3' N (48.37246°)
- Longitude: 114° 10.9' W (-114.18151°)
- Elevation: 941 m/3,087 ft. above sea level
- Time zone: America/Denver (UTC -07:00); DST observed (UTC -06:00)
- Alternate names: Columbia, Columbus