Ketchikan
- Country: United States
- State: Alaska
- Population: 8,208 (2016)
- Latitude: 55° 20.5' N (55.34222°)
- Longitude: 131° 38.8' W (-131.64611°)
- Elevation: 15 m/49 ft. above sea level
- Time zone: America/Sitka (UTC -09:00); DST observed (UTC -08:00)
- Alternate names: Kichikan, Kitchikan, Kitskan