Cognomen Sewli (Sewli 
) , in all the world, is a rare surname. The cognomen Sewli is habitual in Southern Asia, particularly India, where it is a very rare surname. More prevalently, Sewli is the forename as well as the last name.
Sam, Ghosh, Nandi, Mandal, Mondal, Sangma, Sardar, Sarkar, Singha, Barman, Biswas, Khatun, Debnath, Ganguly, Ganguli, Goswami, Sengupta, Banerjee, Karmakar, Das Kora, Chowdhury, Chatterjee, Garai, Dutta, Datta, Patra, Bar, Pal, Ray, Roy, Deb, Dey, Das, Let, Maji, Saha, Chakraborty, Sing, Bibi, Paul, Devi, Guha, Nath, Malik, Banik, Bagdi, Begum, Kundu, Basu, and Bhattacharjee