Meaning A boy's name of Norse origin, it means "Horn sounded for Ragnorok." Origin of Gjallar Norse , Scandinavian +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Gjallar Similar Names Cornelius Kornel Korneliusz Soma Cornelio Kornelius Korneli Kie Cornell Oscar Year by Year Popularity of Gjallar