Cognomen Benjamin Alejandro (Benjamin Alejandro 
) , in the world, is a rare family name. The cognomen Benjamin Alejandro is characteristic of Latin America and the Caribbean, particularly Chile, where it is quite a rare surname. More prevalently, Benjamin Alejandro is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Benjamin Alejandro | Mexico, Ecuador, Chile, Argentina, Peru |