Meaning A boy's name of Japanese origin, it means "first-born son of Shun". Origin of Shunichi Japanese +-100%Zoom level changed to 1 Popular Middle Names Pronunciation 🔊 Listen Shunichi Similar Names Saburo Shinji Seiji Seiichi Senichi Shoichi Shoji Shuichi Sin’ichi Kodi Year by Year Popularity of Shunichi