Surname Cối (Cối 
) , in the entire world, is a very rare family name. The surname Cối is habitual in South-eastern Asia, particularly Vietnam, where it is a very rare surname. Very seldom, Cối is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cối | Vietnam |
| trịnh cối trịnh lords, VN |
|