Worldwide, Hadu (Hadu 
) is a common predominantly male, but very seldom girly first name. The first name Hadu is habitual in India, where it is quite a rare predominantly boy's, but very seldom feminine name, Saudi Arabia, where it is a rare unisex name, and Indonesia, where it is a rare largely boy's, but seldom feminine name. In absolute terms, it is commonest in India, Indonesia, and Nigeria. Very seldom, Hadu is the last name as well as the forename.
Sa, Bagha, Patra, Pande, Putel, Gauda, Tandi, Nayak, Nahak, Mirdha, Shabar, Bariha, Behera, Biswal, Kunvar, Padhan, Dharua, Mahakur, Khamari, Kumbhar, Pradhan, Maharana, Barik, Swain, Sethy, Sethi, Bag, Das, Dip, Nag, Sahu, Suna, Seth, Sekh, Bhue, Bhoi, Bagartti, Podh, Raut, Gaud, Jena, Naik, Malik, Majhi, Meher, Munda, Sabar, Singh, Rana, and Mahananda