Cognomen Rbu (Rbu 
) , in the world, is a rare family name. The cognomen Rbu is characteristic of Nigeria, where it is a very rare surname, Indonesia, and Peru, where it is an extremely rare surname. Measured by absolute frequency, it is commonest in Nigeria, Indonesia, and India. Very seldom, Rbu is the forename as well as the last name.
Mã, Mircea, Simona, Andrei, Angela, Corina, Bogdan, Bianca, Rahina, Raluca, Rodica, Roxana, Daniel, Larisa, Lucian, Javier, Vasile, Ionela, Iulian, Mariana, Andreea, Daniela, Monica, Marius, Iulia, Ioana, Seb, Ana, Cã, Kim, Rã, Dan, Alex, Alin, Radu, Doru, Dumitru, Gabi, Maria, Alina, Kaido, Petru, Diana, Dorin, Doina, Grete, Elena, Ionut, Oana, and Dragoã