Family name Bústia (Bústia 
, Buxis, Boiste 
) , globally, is a rare last name. The cognomen Bústia is habitual in Western Europe, particularly France, where it is a rare surname. Much less frequently, Bústia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bústia | Spain |
| Boiste | France |