Anamosa
- Country: United States
- State: Iowa
- Population: 5,430 (2016)
- Latitude: 42° 6.5' N (42.10834°)
- Longitude: 91° 17.1' W (-91.28516°)
- Elevation: 253 m/831 ft. above sea level
- Time zone: America/Chicago (UTC -06:00); DST observed (UTC -05:00)
- Alternate names: Lexington