Cognomen Shosei (Shosei 
, 고 
) , all around the world, is a widespread last name. The surname Shosei is habitual in Eastern Asia, particularly South Korea, where it is a common surname, Japan, where it is quite a rare surname, and China, where it is an extremely rare surname. Very seldom, Shosei is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Shosei | Brazil, China, United States, Japan |
| 고 | South Korea |