Meaning A boy's name of Danish origin, it means "God is my judge." Origin of Gustaof Danish , Scandinavian +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Gustaof Similar Names Danny-Lee Bartram Lorens Pedar Arend Daniyal Daneil Abdul Hakam Bengt Preben Year by Year Popularity of Gustaof