Surname Gamarra Vargas (Gamarra Vargas 
) , around the world, is a very rare cognomen. The family name Gamarra Vargas is habitual in Latin America and the Caribbean, particularly Bolivia, where it is a rare surname, Ecuador, where it is a very rare surname, and Peru. Not in comparison with a country's population, it is the most numerous in Bolivia, Peru, and Spain.
| VARIANT | COUNTRY |
|---|---|
| Gamarra Vargas | Peru, Spain, Bolivia, Chile, Ecuador |