Throughout the world, Bikau (Bikau 
) is a common boy's first name. The first name Bikau is habitual in Qatar, where it is quite a rare male name, India, where it is a rare male name, and Nepal. Not in comparison with a country's population, it is commonest in India, Nepal, and Saudi Arabia. Much less frequently, Bikau is the last name as well as the forename.
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