Family name Isaias Alejandro (Isaias Alejandro 
) , in all the world, is a rare cognomen. The family name Isaias Alejandro is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare surname. More frequently, Isaias Alejandro is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Isaias Alejandro | Peru, Argentina, Spain, Chile, Ecuador |