Surname Achintya (Achintya 
) , across the world, is a rare last name. The surname Achintya is habitual in Indonesia, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and India. Predominantly, Achintya is the forename as well as the last name.
De, Ghosh, Nandi, Mandal, Mahato, Mondal, Mishra, Santra, Sardar, Sarkar, Samant, Sharma, Barman, Biswas, Halder, Santara, Samanta, Banerjee, Karmakar, Pramanik, Mukherjee, Chatterjee, Dutta, Patra, Kumar, Kundu, Mal, Sen, Bag, Pal, Ray, Roy, Dey, Das, Maji, Saha, Chakraborty, Bera, Jana, Manna, Malik, Maity, Maiti, Majhi, Mitra, Singh, Bagdi, Bauri, Paul, and Bhattacharya