Family name Byash (Byash 
) , worldwide, is a very rare last name. The family name Byash is habitual in Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Byash is the forename as well as the last name.
Sah, Mishra, Sharma, Shukla, Bhagat, Pandit, Paswan, Prasad, Thakur, Tiwari, Chaubey, Kuswaha, Rajbhar, Dwivedi, Goswami, Narayan, Mahato, Manjhi, Yadav, Verma, Bai, Pal, Ram, Ray, Das, Lal, Jee, Kushwaha, Muni, Devi, Gond, Mahto, Singh, Kumar, Patel, Gupta, Shah, and Prajapati