All over the world, Перейра-Алонсо (Перейра-Алонсо 
) is an extremely rare unknown gender forename. Predominantly, Перейра-Алонсо is the last name as well as the forename. Parts of the name also exists independently as a last name Перейра, and a last name Алонсо.
| VARIANT | COUNTRY |
|---|---|
| Перейра-Алонсо | Russia |