Franjo Bučar (25 November 1866 – 26 December 1946) was a Croatian writer and sports popularizer . He is considered to be the father of Croatian sport and olympism. Bučar was born in Zagreb to Slovenian father Jožef (Josip) Bučar and Croatian mother Franjica Mikšić and educated in Zagreb, Vienna, and Stockholm. He worked on a study of Croatian literature and also wrote about Scandinavian literature. He was a prominent sports writer and wrote manuals for many types of sports. He was the popularizer and initiator of introduction of many sports in Croatia – football, gymnastics, ice skating, alpine skiing, ice hockey, fencing and others.