Around the world, Pairu (Pairu 
) is quite a common boy's forename. The given name Pairu is habitual in Southern Asia, particularly India, where it is a rare boy's name. Very seldom, Pairu is the last name as well as the forename.
Sah, Mandal, Manjhi, Mahato, Mistri, Sharma, Ansari, Bhuiya, Bhuiyo, Pandit, Paswan, Prasad, Ganjhu, Thakur, Chauhan, Bhuniya, Bhuiyan, Pasavan, Pujahar, Ravidas, Jamadar, Harijan, Yadav, Oraon, Tanti, Rajak, Saw, Kol, Ram, Ray, Rai, Das, Lal, Mazi, Sahu, Sinh, Hembram, Bind, Devi, Turi, Vind, Manzi, Mahto, Mochi, Miyan, Murmu, Singh, Kumar, Khan, and Chaudhari