Cognomen Obrejan (Obrejan 
) , globally, is a rare family name. The surname Obrejan is characteristic of Romania, where it is quite a rare surname, Spain, where it is a very rare surname, and Italy. In absolute terms, it is the most numerous in Romania, Spain, and the United States. Much less frequently, Obrejan is the forename as well as the last name.
Ana, Bogdan, Florin, Ovidiu, Mariana, Catalin, Claudiu, Petruta, Daniela, Alin Ioan, Cornelia, Philippe, Luminita, Vasilica, Alexandra, Alexandru, Cosmin, Adrian, Amalia, Andrei, Lia, Alin, Katy, Paul, Radu, Valy, Mirel, Vicentiu Marian, Anita, Paula, Diana, Elena, Marius, Mirela, Mircea, Silviu, Brian, and Alexandru-Mihai