Meaning A boy's name of Polish origin, it means "Variant of John In Roman mythology; Jana was the wife of Janus." Origin of Janah Polish , Slavic Popular Middle Names Brielle Pronunciation 🔊 Listen Janah Similar Names Jani Marciano F’enton Aurelian Flawiusz Gerik Gnegon Kazmer Luboslaw Mauty Year by Year Popularity of Janah