Cognomen Бадю (Badiu 
, Badju 
, Badiou 
) , around the world, is quite a common family name. The family name Бадю is characteristic of Romania, where it is quite a common surname, Moldova, where it is quite a rare surname, and France. In absolute terms, it most frequently occurs in Romania, France, and India. Very seldom, Бадю is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Badiu | France, India, Romania, Afghanistan, Indonesia |
| Badju | Malaysia, India, Canada, United States, Indonesia |
| Badiou | France, Canada, United States, Nigeria, Germany |
| Бадю | Russia, Ukraine |