Cognomen Dubraj (Dubraj 
) , globally, is a rare surname. The last name Dubraj is habitual in Canada, where it is a very rare surname, India, where it is an extremely rare surname, and the United States. Much more frequently, Dubraj is the forename as well as the last name.
Saw, Purty, Lohar, Nayak, Honsa, Oraon, Mandal, Manjhi, Mahato, Mahali, Mondal, Murmmu, Sardar, Bediya, Kumhar, Lohara, Tiriya, Hansda, Hemram, Pradhan, Hansada, Hemaram, Pahan, Kisku, Kumar, Besra, Sih, Ram, Ray, Das, Mura, Sahu, Sing, Pura, Gope, Tudu, Hembram, Mardi, Mahto, Majhi, Munda, Murmu, Saren, Singh, Sinku, Soren, Baske, Bauri, Mandi, and Karmakar