In the world, Sergio Wenceslao (Sergio Wenceslao 
) is a very rare boy's first name. The forename Sergio Wenceslao is habitual in Latin America and the Caribbean, particularly Chile, where it is a rare masculine name. Much less frequently, Sergio Wenceslao is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sergio Wenceslao | Spain, Argentina, Peru, Ecuador, Chile |