Meaning A boy's name of Czech origin, it means "determined guardian." Origin of Viliam Czech , Slavic +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Viliam Similar Names Vilem Guilherme Oswaldo Uilleam Edouard Eadweard Abdul Haafiz Earnest Aazim Erhart Year by Year Popularity of Viliam