Surname Rivas Barra (Rivas Barra 
) , all around the world, is a very rare cognomen. The family name Rivas Barra is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rivas Barra | Chile |
Ruth Camila, Sonia Irene, Ivonne Vanessa, Mauricio Rolando, and Victor Manuel