Meaning A girl's name of Czech origin, it means "Variant of John In Roman mythology; Jana was the wife of Janus." Origin of Janalyn Czech , Slavic Popular Middle Names Beth, Michelle Pronunciation 🔊 Listen Janalyn Similar Names Janceena Fiala Evia Janaki Evie Julinka Junae Junelle Vinnie Charlotte Year by Year Popularity of Janalyn