The Czechoslovak Hussite Church (Czech: Církev československá husitská, CČSH or CČH) is a Christian church that separated from the Roman Catholic Church after World War I in former Czechoslovakia. It traces its tradition back to the Hussite reformers and acknowledges Jan Hus (John Huss) as its predecessor. It was well-supported by Czechoslovakia’s first president, Tomáš Garrigue Masaryk.