Last name Bikau (Bikau 
) , throughout the world, is a rare family name. The last name Bikau is characteristic of Nepal, where it is a rare surname, Nigeria, where it is a very rare surname, and India, where it is an extremely rare surname. Much more frequently, Bikau is the forename as well as the last name.
Sah, Nadaf, Yadav, Mandal, Manjhi, Mahato, Sahani, Sharma, Ansari, Baitha, Bhagat, Kamati, Pandit, Paswan, Prasad, Thakur, Tiwari, Hajara, Mukhiya, Chauhan, Chaupal, Pasavan, Patel, Kumar, Kapar, Kamat, Ram, Ray, Rai, Roy, Das, Lal, Miya, Sada, Safi, Shah, Panjiyar, Sinh, Khan, Raut, Manzi, Mahto, Majhi, Miyan, Sahni, Saday, Shekh, Singh, Bind, and Chaudhari