Cognomen Blaja (Blaja 
) , globally, is a rare last name. The family name Blaja is characteristic of Moldova, where it is quite a rare surname, Romania, where it is a rare surname, and Italy, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Moldova, Romania, and Indonesia. Much less frequently, Blaja is the forename as well as the last name.
Ion, Adrian, Rodica, Daniel, Tamara, Vasile, Victor, Igat Anak Blaja, Uliana, Mariana, Antonio, Anthony, Natalia, Nicolae, Vitalie, Viorica, Svetlana, Cristina, Andrei, Gheorghe, Aliona, Simona, Asia, Rose, Danu, Vlad, Ivan, Igat, Oleg, Maria, Danny, Elena, Ilona, Iulia, Iurie, Marina, Marcel, Manana, Silvia, Stefan, and Geanina-Georgiana