Meaning A boy's name of Bulgarian origin, it means "wolf." Origin of Ivailo Bulgarian , Slavic +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Ivailo Similar Names Ivaylo Rolph Lykaios Bardou Bardoul Bardulf Bardulph Iliya Iordan Lyuben Year by Year Popularity of Ivailo