>
Across the world, 正一 (正一 , Shoichi , Shōichi) is quite a common primarily boy's, but scarcely feminine first name. The forename 正一 is habitual in China, where it is a rare principally male, but very seldom feminine name, Japan, where it is a rare male name, and Indonesia, where it is a very rare boy's name. Measured by absolute frequency, it is commonest in China, Japan, and the United States. Also, 正一 is the last name as well as the forename.
正一 is also a name for the fictitious and mythical characters: Shoichi Imayoshi , the character from Kuroko's Basketball and Shōichi Tsugami .