Surname Mamani Cayo (Mamani Cayo 
) , in the entire world, is a very rare last name. The family name Mamani Cayo is habitual in Latin America and the Caribbean, particularly Bolivia, where it is a rare surname, Chile, and Peru, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mamani Cayo | Peru, Bolivia, Chile |