Gün is a Turkish masculine given name and surname. Notable people with the name include:
Given name edit
First 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