Throughout the world, Fabian Alejandro (Fabian Alejandro 
) is quite a common masculine forename. The given name Fabian Alejandro is characteristic of Latin America and the Caribbean, particularly Chile, where it is quite a common male name, Costa Rica, where it is quite a rare boy's name, and Uruguay, where it is a rare male name. In absolute terms, it is commonest in Latin America and the Caribbean, particularly Chile, Costa Rica, and Argentina. Very seldom, Fabian Alejandro is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Fabian Alejandro | Argentina, Costa Rica, Cuba, Ecuador, Chile |