Cognomen Larruina (Larruina 
) , around the world, is a very rare family name. The last name Larruina is characteristic of Latin America and the Caribbean, particularly Uruguay, where it is quite a rare surname, Argentina, where it is a very rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Larruina | Argentina, Brazil, Uruguay |