The Glagolitic Mass is a composition for soloists, double chorus, organ and orchestra by Leoš Janáček. Janáček completed the work in 1926. It received its premiere by the Brno Arts Society, conducted by Jaroslav Kvapil, in Brno on 5 December 1927. Janáček revised the mass the next year.

Rafael Jeroným Kubelík, KBE was a Czech conductor and composer.