Cognomen Блуи (Blui 
, Bluy 
, Блуи 
) , around the world, is a rare family name. The surname Блуи is characteristic of France, where it is a rare surname, Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Блуи is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blui | United States, India |
| Bluy | United States, Peru, France, Chile |
| Блуи | Russia |