Last name Wau-Wau (Wau-Wau 
) , worldwide, is an extremely rare cognomen. Much more prevalently, Wau-Wau is the forename as well as the last name. Parts of the name also exists independently as a last name Wau, and a last name Wau.
| VARIANT | COUNTRY |
|---|---|
| Wau-Wau | Spain |