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 Janalynn Janica Janny Janceena Jannalee Lavena Lavina Janalee Jania Evie Mae Year by Year Popularity of Janalyn