Last name Alvarea (Alvarea 
) , globally, is a very rare family name. The cognomen Alvarea is characteristic of Uruguay, where it is a rare surname, Colombia, where it is a very rare surname, and Spain. Not in comparison with a country's population, it is the most numerous in Uruguay, the United States, and Colombia. Much less frequently, Alvarea is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Alvarea | Spain, Uruguay, Philippines, Colombia, United States |