Jewett City
- Country: United States
- State: Connecticut
- Population: 3,406 (2016)
- Latitude: 41° 36.4' N (41.60677°)
- Longitude: 71° 58.9' W (-71.98091°)
- Elevation: 47 m/154 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)
- Alternate names: Pachaug City