Cognomen Альварес-Фонсека (Альварес-Фонсека 
) , globally, is an extremely rare surname. The cognomen Альварес-Фонсека is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname. Parts of the name also exists independently as a last name Альварес, and a last name Фонсека.
| VARIANT | COUNTRY |
|---|---|
| Альварес-Фонсека | Russia |