Surname Bustamante Sarmiento (Bustamante Sarmiento 
) , in the world, is a very rare family name. The surname Bustamante Sarmiento is habitual in Ecuador, where it is a rare surname, Peru, where it is a very rare surname, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Bustamante Sarmiento | Mexico, Peru, Spain, Ecuador |