Cognomen Buacier (Buacier 
) , in the world, is a very rare surname. The last name Buacier is habitual in Latin America and the Caribbean, particularly the Dominican Republic, where it is a rare surname, and Colombia, where it is a very rare surname. Very seldom, Buacier is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buacier | Dominican Republic, Spain, Colombia |