Surname Ulloa Calderon (Ulloa Calderon 
) , globally, is a very rare family name. The cognomen Ulloa Calderon is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a rare surname, and Chile.
| VARIANT | COUNTRY |
|---|---|
| Ulloa Calderon | Chile, Ecuador |
Rodrigo, Mario Alberto, Jacqueline Isabel, and Cristina Elizabeth