Klobučar is a Croatian, Serbian and Slovenian surname (from word klobučar, which means "hatter" in South Slavic languages) and toponym, which may refer to:
People with the surname Anđelko Klobučar (1931–2016), Croatian composer, organist and professor Berislav Klobučar (1924–2014), Croatian opera conductor Jaka Klobučar (born 1987), Slovenian basketball player Jan Klobučar (born 1992), Slovenian volleyball player Mira Klobučar (1888–1956), Croatian painter
Geography Klobučar (island), uninhabited island in Croatia
See also
Klobuchar (surname)