Cognomen Rajanya (Rajanya 
) , globally, is a very rare family name. The surname Rajanya is habitual in Southern Asia, particularly India, where it is an extremely rare surname. Much more frequently, Rajanya is the forename as well as the last name.
De, Ghosh, Nandi, Naidu, Hazra, Mainan, Masker, Sarkar, Atluri, Biswas, Pemalu, Ghorai, Vasave, Majumdar, Banerjee, Mukherjee, Choudhury, Petersson, Chatterjee, Chakraborty, Gannabathula, Bhattacharya, Gorai, Gavit, Dhara, Dutta, Sen, Pal, Raj, Ray, Roy, Dey, Das, Saha, Shah, Basu, Chattopadhyay, Bose, Paul, Dhar, Guin, Guha, Naik, Mitra, Shome, Singh, Kumar, Pavra, Bhil, and Bhattacharjee