Cognomen Iglesias Troncoso (Iglesias Troncoso 
) , all around the world, is a very rare family name. The cognomen Iglesias Troncoso is habitual in Ecuador, where it is a very rare surname, Chile, and Spain, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Iglesias Troncoso | Chile, Spain, Ecuador |