Family name Erasmo Isaias (Erasmo Isaias 
) , throughout the world, is an extremely rare cognomen. The surname Erasmo Isaias is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare surname. More frequently, Erasmo Isaias is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Erasmo Isaias | Chile, Peru, Ecuador |