Conductor George Szell and composer Jaroslav Křička (right) during the staging of Křička's opera Bílý pán (The Gentleman in White) in Prague, April 1932.
Jaroslav Křička (Czech: [ˈjaroslaf ˈkr̝̊ɪt͡ʃka]; 27 August 1882 in Kelč, Moravia – 23 January 1969 in Prague) was a Czech composer, conductor, and music teacher. He was the brother of poet Petr Křička.