Cognomen Birasi (Birasi 
) , all over the world, is a very rare surname. The last name Birasi is habitual in Tanzania, where it is a very rare surname, India, where it is an extremely rare surname, and Nigeria. Much more prevalently, Birasi is the forename as well as the last name.
Bai, Lugun, Toppo, Topno, Tirki, Tigga, Varjo, Orain, Oraon, Mahali, Badaik, Kumari, Tirkey, Mundain, Bhengra, Kerketa, Khalkho, Khariya, Lohrain, Kandulan, Pahanain, Bhagatain, Lohar, Lomga, Linda, Lakra, Kui, Nag, Minz, Budh, Devi, Jojo, Ekka, Horo, Oram, Orao, Kachchhap, Urao, Majhi, Minja, Munda, Mundu, Surin, Barla, Bodra, Kujur, Pahan, Purti, Udao, and Khadiyain