Surname Гвидо (Guido 
, Gvido 
, Gwido 
) , in the world, is a common family name. The surname Гвидо is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is a common surname, Costa Rica, where it is quite a common surname, and El Salvador (explore the name in all countries). In absolute terms, it is commonest in Nicaragua, Italy, and Mexico. More frequently, Гвидо is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guido | Germany, Argentina, Nicaragua, Italy, Brazil |
| Gvido | Spain, United Kingdom, United States, Latvia, China |
| Gwido | United States, Mexico, Tanzania, Canada |
| Гвидо | Russia, Estonia |