Family name Pacosonco (Pacosonco 
) , in all the world, is a rare last name. The surname Pacosonco is characteristic of Latin America and the Caribbean, particularly Peru, where it is a rare surname, and Chile, where it is an extremely rare surname. Much less frequently, Pacosonco is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pacosonco | Peru, Chile |