Cognomen Kubir (Kubir 
) , in all the world, is a rare surname. The cognomen Kubir is characteristic of Oman, where it is a rare surname, Nepal, and Saudi Arabia. In absolute terms, it is commonest in India, Nepal, and Saudi Arabia. More prevalently, Kubir is the forename as well as the last name.
Sk, Sardar, Sarkar, Sharma, Barman, Biswas, Bhujel, Bhosle, Kamble, Kuikel, Gurung, Jadhav, Tamang, Naskar, Hajara, Santara, Chauhan, Chettri, Chhetri, Pradhan, Haladar, Hussain, Mondal, Adhikari, Mandal, Limbu, Ali, Bag, Pal, Ray, Rai, Das, Let, Sekh, Kami, Khan, Dhan, Manna, Malik, Majhi, Singh, Subba, Ahmed, Bahun, Bagdi, Dahal, Ghosh, Thapa, and Pramanik