Cognomen Gusano (Gusano 
) , around the world, is a rare last name. The surname Gusano is characteristic of Spain, where it is a rare surname, Colombia, where it is a very rare surname, and Philippines. Also, Gusano is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gusano | Spain, Philippines, Mexico, Colombia, Argentina |