Across the world, Dugai (Dugai 
) is quite a rare principally boy's, but very seldom female first name. The given name Dugai is characteristic of Southern Asia, particularly India, where it is a rare principally masculine, but very seldom female name. Much less frequently, Dugai is the last name as well as the forename.
Mal, Gorai, Ghosh, Lohar, Handi, Mandal, Mallik, Mahato, Mondal, Murmmu, Sardar, Ruidas, Dhibar, Gonrai, Hansda, Mallick, Hansada, Hemaram, Hembram, Badyakar, Hemabram, Kaibartta, Garai, Dutta, Pator, Kisku, Bai, Pal, Ray, Roy, Das, Maji, Mudi, Sing, Kora, Gope, Kumbhakar, Tudu, Mahto, Maddi, Majee, Majhi, Murmu, Saren, Soren, Bagdi, Bauri, Bouri, Mandi, and Paramanik