Cognomen Smarajit (Smarajit 
) , all over the world, is an extremely rare family name. Much more prevalently, Smarajit is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Smarajit | United States, United Kingdom, India |
De, Sarkar, Barman, Biswas, Halder, Haldar, Mohanty, Samanta, Debnath, Ganguly, Haladar, Majumdar, Sengupta, Adhikari, Banerjee, Karmakar, Pramanik, Mukherjee, Chowdhury, Chowdhuri, Chatterjee, Chakraborty, Mondal, Mallik, Mandal, Ghosh, Sen, Bag, Pal, Ray, Roy, Dey, Das, Saha, Bala, Basu, Bhattacharya, Paul, Manna, Maity, Maiti, Majhi, Modak, Mitra, Munda, Kundu, Datta, Dutta, Jana, and Bandyopadhyay