Jamestown
- Country: United States
- State: Rhode Island
- Population: 5,462 (2016)
- Latitude: 41° 29.8' N (41.497°)
- Longitude: 71° 22.1' W (-71.368°)
- Elevation: 13 m/41 ft. above sea level
- Time zone: America/New_York (UTC -05:00); DST observed (UTC -04:00)