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