Kosan may be:
- Kosan County, a county in Kangwon Province, North Korea
- Kosan Biosciences, American pharmaceuticals company
- Ube Kosan Open, golf tournament played at the Ube 72 Country Club, Yamaguchi, Japan
People with the surname Kosan include:
- Anja Kosan (born 2002), German rhythmic gymnast
- Ismail Kosan (born 1948), German Politician
See also
edit- All pages with titles containing Kosan
- Ko San, South Korean cosmonaut