Taisei (written: 大成, 泰成, 太勢, 大晟 or 大聖) is a masculine Japanese given name. Notable people with the name include: , Japanese chief of the Ryukyu Islands , Japanese former football player , Japanese musician , Japanese football player , Japanese professional baseball player , Japanese football player , Japanese football player Taisei Okazaki (born 1982), Japanese musician, DJ and music producer Taisei Ota (翁田 大勢; born 1999), Japanese professional baseball player , Japanese freestyle skier