1931 in Croatia

Births

• April 4 - Nada Iveljić, children's writer
• May 11 - Zlatko Crnković, translator
• July 11 - Anđelko Klobučar, composer
• June 4 - Antun Vrdoljak, actor and film director
• June 14 - Vasko Lipovac, painter
• September 26 - Ivo Šlaus, physicist
• November 22 - Anton Tus, soldier
• December 11 - Sunčana Škrinjarić, children's writer

Deaths

• February 11 - Bela Čikoš Sesija, painter
• February 18 - Milan Šufflay, historian and politician
• December 29 - Oton Kučera, astronomer