Cognomen Gallegos Castañeda (Gallegos Castañeda 
) , around the world, is an extremely rare surname. The last name Gallegos Castañeda is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname, and Mexico, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Gallegos Castañeda | Mexico, Chile |