Surname Ovau (Ovau 
) , throughout the world, is a rare family name. The family name Ovau is habitual in the Democratic Republic of the Congo, where it is a rare surname, and China, where it is an extremely rare surname. Much less frequently, Ovau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ovau | India, China, Democratic Republic of the Congo |