Algona
- Country: United States
- State: Iowa
- Population: 5,515 (2016)
- Latitude: 43° 4.2' N (43.06997°)
- Longitude: 94° 14' W (-94.23302°)
- Elevation: 364 m/1,194 ft. above sea level
- Time zone: America/Chicago (UTC -06:00); DST observed (UTC -05:00)
- Alternate names: Call's Grove