In the world, Roberto Alejandro (Roberto Alejandro 
) is quite a common masculine first name. The forename Roberto Alejandro is characteristic of Latin America and the Caribbean, particularly Chile, where it is quite a common boy's name, Peru, where it is quite a rare boy's name, and Costa Rica. In absolute terms, it is the most numerous in Chile, Peru, and Spain. Very seldom, Roberto Alejandro is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Roberto Alejandro | Argentina, Peru, Ecuador, Spain, Chile |