Worldwide, Joseph Carlos (Joseph Carlos 
) is a very rare boy's first name. The first name Joseph Carlos is characteristic of Peru, where it is a rare boy's name, and Philippines, where it is a very rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| Joseph Carlos | Costa Rica, Spain, Philippines, Ecuador, Peru |
Casal, Olano, Madrid, Cortez, Galvan, Leynes, Vargas, Ibarra, Mendoza, Alvarez, Aguilar, Dela Torre, Torres Abanto, and Castillo Valenzuela