Cognomen Biraja (Biraja 
) , throughout the world, is a very rare last name. The last name Biraja is habitual in India, where it is an extremely rare surname, and Brazil. Predominantly, Biraja is the forename as well as the last name.
Bai, Yadav, Mandal, Mahato, Mondal, Mishra, Sarkar, Chakma, Barman, Behera, Biswas, Biswal, Khatun, Parida, Prasad, Mohanty, Patnaik, Pradhan, Debnath, Debbarma, Tripathi, Mahapatra, Nayak, Padhi, Panda, Patro, Kar, Ram, Ray, Das, Sahu, Pati, Rath, Raut, Rout, Devi, Mohapatra, Dash, Nath, Naik, Majhi, Samal, Sahoo, Singh, Swain, Barik, Kumar, Patra, Jena, and Pattnayak