Taisei (given name)

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:
 * Taisei (Ryukyu) (大成), Japanese chief of the Ryukyu Islands
 * Taisei Fujita (藤田 泰成), Japanese former football player
 * Taisei Isoe (磯江 太勢), Japanese football player
 * Taisei Iwasaki (岩崎 太整), Japanese musician
 * Taisei Kaneko (金子 大晟), Japanese football player
 * Taisei Makihara (牧原 大成), Japanese professional baseball player
 * Taisei Miyashiro (宮代 大聖), Japanese football player
 * Taisei Okazaki (born 1982), Japanese musician, DJ and music producer
 * Taisei Yamamoto (山本 泰成), Japanese freestyle skier