Last name Sergio Wenceslao (Sergio Wenceslao 
) , in the world, is a very rare family name. The cognomen Sergio Wenceslao is characteristic of Chile, where it is a rare surname, and Spain, where it is a very rare surname. More frequently, Sergio Wenceslao is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sergio Wenceslao | Spain, Argentina, Peru, Ecuador, Chile |