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Cognomen Rupen (Rupen , Рупен ) , in the entire world, is a rare last name. The surname Rupen is habitual in Papua New Guinea, where it is quite a rare surname, Uruguay, where it is a rare surname, and Bulgaria. Not in comparison with a country's population, it is the most numerous in Papua New Guinea, India, and Indonesia. Much more frequently, Rupen is the forename as well as the last name.
Ray, Joshi, Thapa, Mandal, Mondal, Sardar, Sarkar, Sharma, Singha, Chakma, Barman, Brahma, Biswas, Kalita, Parekh, Parikh, Gurung, Tamang, Chettri, Chhetri, Pradhan, Daimari, Lohar, Ghosh, Dutta, Doshi, Rai, Roy, Das, Shah, Amin, Boro, Devi, Deka, Tudu, Nath, Narzary, Mandi, Mehta, Munda, Murmu, Singh, Subba, Soren, Bauri, Kumar, Patel, Rabha, Majhi, and Basumatary