Surname Buninas (Buninas 
) , in the entire world, is a very rare last name. The family name Buninas is habitual in Lithuania, where it is a rare surname, Argentina, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Buninas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Buninas | India, Argentina, Lithuania |