Globally, Guido Dario (Guido Dario 
) is a very rare masculine first name. The given name Guido Dario is habitual in Latin America and the Caribbean, particularly Chile, where it is a very rare male name. Very seldom, Guido Dario is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Guido Dario | Chile, Argentina, Peru, Ecuador |