Family name Birja (Birja 
) , in the entire world, is quite a rare surname. The family name Birja is characteristic of India, where it is a rare surname, Philippines, where it is a very rare surname, and Canada, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in India, Philippines, and Nigeria. More frequently, Birja is the forename as well as the last name.
Saw, Yadav, Mandal, Manjhi, Mahato, Mondal, Sardar, Sarkar, Sharma, Barman, Bediya, Biswas, Bhuiya, Paswan, Prasad, Thakur, Mirddha, Chauhan, Rabidas, Debnath, Karmakar, Pramanik, Oraon, Nayek, Jadab, Ghosh, Bai, Pal, Ram, Ray, Rai, Roy, Das, Lal, Sing, Bera, Paramanik, Devi, Vati, Manna, Maiti, Mahto, Majhi, Munda, Singh, Kumar, Patra, Dolai, Nand, and Chakraborty