Family name Guianny (Guianny 
) , across the world, is a very rare surname. The family name Guianny is characteristic of Latin America and the Caribbean, particularly Venezuela, where it is a very rare surname, Honduras, and Mexico, where it is an extremely rare surname. In absolute terms, it is the most numerous in Venezuela, Mexico, and Philippines. Likewise, Guianny is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guianny | Mexico, Peru, Honduras, Philippines, Venezuela |