Gün is a Turkish masculine given name and surname. Notable people with the name include:
Given name
editFirst name
edit- Gün Sazak (1932–1980), Turkish politician
- Gün Temür Khan (1384–1402), Mongol Khagan of the Northern Yuan Dynasty
Middle name
edit- Emin Gün Sirer, Turkish-American computer scientist
Surname
edit- Bediha Gün (born 1994), Turkish wrestler