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 +-100%Zoom level changed to 1 Popular Middle Names Lucille Pronunciation 🔊 Listen Janica Similar Names Janalyn Janalynn Janny Janceena Jannalee Lavena Lavina Janalee Jania Evie Mae Year by Year Popularity of Janica