Cognomen Dipan (Dipan 
) , around the world, is a rare last name. The cognomen Dipan is habitual in Nepal, where it is a rare surname, Malaysia, and Indonesia. Not in comparison with a country's population, it most frequently occurs in Indonesia, Nepal, and Bangladesh. Much more frequently, Dipan is the forename as well as the last name.
Sah, Mandal, Manjhi, Mahato, Mondal, Sarkar, Sahani, Sharma, Chakma, Barman, Biswas, Bhuiya, Pandit, Paswan, Prasad, Thakur, Debnath, Banerjee, Debbarma, Mukherjee, Chaudhari, Chowdhury, Yadav, Ghosh, Dutta, Desai, Saw, Kar, Pal, Ram, Ray, Roy, Deb, Dey, Das, Saha, Chatterjee, Sahu, Paul, Devi, Nath, Naik, Mahto, Majhi, Sahni, Singh, Kumar, Patel, Shah, and Chakraborty