Cognomen Arregoitía (Arregoitía 
) , around the world, is an extremely rare surname. The last name Arregoitía is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. Likewise, Arregoitía is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Arregoitía | Chile |