Family name Wenceslao, Jr (Wenceslao, Jr 
) , in all the world, is an extremely rare cognomen. The surname Wenceslao, Jr is habitual in South-eastern Asia, particularly Philippines, where it is an extremely rare surname. More prevalently, Wenceslao, Jr is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wenceslao, Jr | Philippines |