Üstündağ

Üstündağ is a surname. Notable people with the surname include:


 * Efe Üstündağ (born 1977), Turkish tennis player
 * Mustafa Üstündağ (actor) (born 1977), Turkish actor
 * Mustafa Üstündağ (politician) (1933–1983), Turkish politician
 * Nida Eliz Üstündağ (born 1996), Turkish swimmer
 * Orhan Üstündağ (born 1967), Turkish footballer
 * Taner Üstündağ (born 1971), Turkish alpine skier