Family name Bellau (Bellau 
) , in the world, is a rare surname. The surname Bellau is habitual in Isle of Man, where it is quite a rare surname, France, where it is a very rare surname, and the United Kingdom. Not in comparison with a country's population, this name is the most popular in Nigeria, France, and the United Kingdom. Very seldom, Bellau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Bellau | France, Italy, United States, United Kingdom, Nigeria |