Cognomen Буска (Buska 
, Busca 
, Буска 
) , around the world, is quite a common last name. The cognomen Буска is characteristic of Romania, where it is quite a rare surname, Italy, and Uruguay. In absolute terms, it is commonest in Italy, Romania, and India. Very seldom, Буска is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buska | Philippines, Argentina, United States, Poland, India |
| Busca | Philippines, Romania, Argentina, United States, Italy |
| Буска | Ukraine |