Meaning A boy's name of Bulgarian origin, it means "flowing down." Origin of Iordan Bulgarian , Slavic +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Iordan Similar Names Yordan Iliya Ivailo Ivaylo Jourdan Jourdaine Jourdon Yarden Jaffer Lyuben Year by Year Popularity of Iordan