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Cognomen Ajoy (Ajoy , অজয় , அஜய்) , all around the world, is quite a rare last name. The cognomen Ajoy is characteristic of Costa Rica, where it is quite a rare surname, United Arab Emirates, and Bangladesh, where it is a rare surname. Not in comparison with a country's population, it is commonest in Bangladesh, India, and Indonesia. Much more frequently, Ajoy is the forename as well as the last name.
Sen, Hazra, Mandal, Mahata, Mahato, Mondal, Sardar, Sarkar, Sharma, Singha, Barman, Biswas, Naskar, Halder, Mallick, Debnath, Banerjee, Karmakar, Pramanik, Debbarma, Mukherjee, Chowdhury, Ghosh, Gupta, Dutta, Patra, Bag, Pal, Ray, Roy, Dey, Das, Saha, Shaw, Sing, Bera, Chatterjee, Paul, Nath, Maity, Majhi, Murmu, Singh, Bagdi, Bauri, Bouri, Kundu, Kumar, Jana, and Chakraborty