Family name Buchai (Buchai 
) , around the world, is a very rare last name. The surname Buchai is habitual in Romania, where it is a rare surname, Malaysia, where it is a very rare surname, and Israel. Not in comparison with a country's population, it most frequently occurs in Romania, Malaysia, and India. More frequently, Buchai is the forename as well as the last name.
Sah, Mandal, Manjhi, Mishra, Mukhia, Sahani, Sharma, Baitha, Kamati, Yadav, Pandit, Prasad, Tatama, Thakur, Mukhiya, Saradar, Chaupal, Bishwas, Pasavan, Paswan, Oraon, Tanti, Rishi, Ram, Ray, Das, Gop, Jha, Muni, Sahu, Sada, Safi, Shah, Ajan, Raut, Devi, Mahto, Miyan, Sahni, Saday, Singh, Kamat, Rishidev, and Chaudhari