Gillette
- Country: United States
- State: Wyoming
- Population: 32,398 (2016)
- Latitude: 44° 17.5' N (44.29109°)
- Longitude: 105° 30.1' W (-105.50222°)
- Elevation: 1,388 m/4,555 ft. above sea level
- Time zone: America/Denver (UTC -07:00); DST observed (UTC -06:00)
- Alternate names: Donkey Town, Rocky Pile