Globally, Billu (Billu 
) is a common largely male, but uncommonly girly given name. The given name Billu is habitual in India, where it is quite a rare largely boy's, but uncommonly feminine name, United Arab Emirates, where it is quite a rare boy's name, and Oman. In absolute terms, it is the most numerous in India, Saudi Arabia, and Bangladesh. Much less frequently, Billu is the last name as well as the forename.
Sah, Kumar, Rishi, Gupta, Tomar, Verma, Oraon, Yadav, Mandal, Mahato, Mondal, Sharma, Barber, Biswas, Kanwar, Kanvar, Kumari, Paswan, Prasad, Rathod, Gujjar, Chauhan, Bilal, Badshah, Bauri, Saini, Sih, Sen, Bai, Bob, Pal, Ram, Ray, Das, Lal, Shah, Bala, Baba, Butt, Bhai, Khan, Devi, Giri, Jutt, Malik, Mahto, Masih, Singh, and Choudhary