Last name Araujo Calderon (Araujo Calderon 
) , in all the world, is a very rare family name. The cognomen Araujo Calderon is habitual in Latin America and the Caribbean, particularly Ecuador, where it is a rare surname, Peru, where it is an extremely rare surname, and Chile.
| VARIANT | COUNTRY |
|---|---|
| Araujo Calderon | Peru, Ecuador, Chile |