Glenns Ferry
- Country: United States
- State: Idaho
- Population: 1,235 (2016)
- Latitude: 42° 57.3' N (42.9549°)
- Longitude: 115° 18.1' W (-115.3009°)
- Elevation: 783 m/2,570 ft. above sea level
- Time zone: America/Boise (UTC -07:00); DST observed (UTC -06:00)
- Alternate names: Glenn's Ferry