Cognomen Guacuto (Guacuto 
) , all around the world, is a rare last name. The last name Guacuto is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is a rare surname, Chile, where it is a very rare surname, and Peru, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Latin America and the Caribbean, particularly Venezuela, Brazil, and Chile. Very seldom, Guacuto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guacuto | Brazil, Chile, Venezuela, Peru |