Cognomen Sadna (Sadna 
) , worldwide, is a rare surname. The cognomen Sadna is habitual in Mauritius, where it is quite a rare surname, Bangladesh, where it is a rare surname, and Indonesia, where it is a very rare surname. Measured by absolute frequency, it is commonest in Bangladesh, India, and Indonesia. More prevalently, Sadna is the forename as well as the last name.
Bi, Kumar, Patil, Patel, Henry, Santos, Sankar, Sharma, Asibul, Kanani, Khatun, Kumari, Puholy, Salmasi, Pereira, Narvasa, Mangitngit, Bhupsingh, Rajvansh, Ferreira, Rajapakse, Narayanan, Budhu, Nascimento, Begam, Afroj, Rai, Don, Lal, Urs, Sekh, Alek, Cruz, Bano, Begm, Khan, Devi, Gül, Jain, Neel, Zame, Mohan, Singh, Silva, Scott, Alves, Akhal, Costa, and Samaranayake