Surname Birau (Birau 
) , around the globe, is quite a rare cognomen. The family name Birau is characteristic of Romania, where it is quite a rare surname, Moldova, and France, where it is a rare surname. Much less frequently, Birau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Birau | Germany, Romania, Moldova, India, France |
| nicolae birau Romanian politician from Variaș, Sibiu County, RO |
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| laurentiu-fabian birau Romanian volleyball player, RO (b. 1981) |
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