Cognomen Gulajar (Gulajar 
) , globally, is quite a common last name. The cognomen Gulajar is habitual in Southern Asia, particularly India, where it is a rare surname. More frequently, Gulajar is the forename as well as the last name.
Mo, Sihan, Ahmad, Begam, Begum, Jahan, Nadaf, Hasan, Husen, Fatma, Yadav, Manjhi, Mahato, Shaikh, Ansari, Ahamad, Khatun, Paswan, Prasad, Husain, Fatima, Mahammad, Singh, Shekh, Saifi, Miyan, Ah, Bi, Sah, Sih, Ali, Beg, Kha, Kho, Ram, Ray, Mohammad, Miya, Sinh, Alam, Bano, Bibi, Khan, Devi, Navi, Vano, Malik, Mahto, Shah, and Chaudhari