Family name Siuli (Siuli 
) , across the world, is quite a rare surname. The last name Siuli is habitual in India, where it is a rare surname, Malaysia, where it is a very rare surname, and Venezuela. In absolute terms, it most frequently occurs in India, France, and Malaysia. More frequently, Siuli is the forename as well as the last name.
De, Kundu, Patra, Dutta, Garai, Ghosh, Mandal, Mondal, Sardar, Sarkar, Barman, Biswas, Khatun, Samanta, Debnath, Majumdar, Adhikari, Banerjee, Karmakar, Pramanik, Mukherjee, Chatterjee, Begam, Bauri, Bagdi, Basak, Mal, Sau, Sen, Bag, Kar, Pal, Ray, Roy, Dey, Das, Chakraborty, Maji, Bera, Bibi, Giri, Jana, Manna, Malik, Maity, Maiti, Majhi, Singh, Saha, and Bhattacharya