Meaning A boy's name of Polish origin, it means "vengeance-glory." Origin of Mscislaw Polish , Slavic +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Mscislaw Similar Names Mstislav Vrej Miroslaw Maksym Mikolai Bolek Przemko Budzisz Dobieslaw Tomislaw Year by Year Popularity of Mscislaw