Cognomen Larreina (Larreina 
) , in the world, is a rare family name. The surname Larreina is habitual in Spain, where it is a rare surname, Argentina, and Peru, where it is an extremely rare surname. Also, Larreina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Larreina | Spain, Argentina, Brazil, Peru, United States |