Around the globe, Santiago Erasmo (Santiago Erasmo 
) is a very rare boy's first name. The first name Santiago Erasmo is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare masculine name. Much less frequently, Santiago Erasmo is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Santiago Erasmo | Peru, Ecuador, Chile, Costa Rica |