Taisei

Taisei may refer to:


 * Taisei (泰西), a historical Japanese name for the "Far West", aka Europe
 * Taisei (given name)
 * Taisei (Ryukyu), a chief of the Ryūkyū Islands
 * Taisei Corporation, a construction company
 * Taisei Yokusankai, a fascist party of Imperial Japan