Taisei may refer to:
* , a historical Japanese name for the "
Far West", aka Europe
*
Taisei (given name)
*
Taisei (Ryukyu), a chief of the Ryūkyū Islands
*
Taisei Corporation
is a Japanese corporation founded in 1873. Its main areas of business are building construction, civil engineering, and real estate development. Taisei's headquarters are located at Shinjuku Center Building in Nishi-Shinjuku, Shinjuku, Tokyo. ...
, a construction company
*
Taisei Yokusankai, a fascist party of Imperial Japan
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