Surname Guanso (Guanso 
) , across the world, is a very rare last name. The family name Guanso is habitual in Philippines, where it is a very rare surname, the United States, where it is an extremely rare surname, and the United Kingdom. Much less frequently, Guanso is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guanso | United Kingdom, United States, Philippines |