Family name Dobau (Dobau 
) , around the world, is a very rare surname. The cognomen Dobau is characteristic of Romania, where it is a rare surname, Argentina, where it is an extremely rare surname, and Brazil. Very seldom, Dobau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dobau | Brazil, Romania, United States, Argentina |