Cognomen Breb (Breb 
) , all over the world, is a rare last name. The family name Breb is characteristic of Romania, where it is quite a rare surname, France, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Romania, France, and India. Much less frequently, Breb is the forename as well as the last name.