Throughout the world, Horacio Alexander (Horacio Alexander 
) is a very rare male forename. The given name Horacio Alexander is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare boy's name. Much less frequently, Horacio Alexander is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Horacio Alexander | Chile, Ecuador, Costa Rica, Peru |