Last name Шуан (Shuan 
, Шуан 
, Chouan 
) , in the world, is quite a rare cognomen. The surname Шуан is characteristic of Malaysia, where it is quite a rare surname, Peru, and Singapore, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Malaysia, Peru, and France. Also, Шуан is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Shuan | Japan, China, Malaysia, India, Peru |
| Шуан | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Chouan | Saudi Arabia, United States, India, Pakistan, France |