Meaning A boy's name of Czech origin, it means "Variant of the Hebrew John: Jehovah has been gracious; has shown favor." Origin of Janos Czech , Slavic Popular Middle Names Pronunciation 🔊 Listen Janos Similar Names Jansen Jantzen Joao Johnn Jonn Jacky Geovanny Geovany Giovany Giovonni Year by Year Popularity of Janos