Last name Nihar (Nihar 
, نيهار 
) , worldwide, is quite a common surname. The surname Nihar is habitual in Sri Lanka, where it is quite a rare surname, Qatar, and Kuwait, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Southern Asia, particularly India, Sri Lanka, and Bangladesh. More prevalently, Nihar is the forename as well as the last name.
De, Desai, Dutta, Ghosh, Nayak, Mandal, Mondal, Mishra, Sarkar, Sharma, Behera, Biswas, Biswal, Khatun, Parida, Ranjan, Mallick, Mohanty, Pradhan, Debnath, Debbarma, Mahapatra, Panda, Patel, Patra, Begam, Ali, Kar, Pal, Ray, Roy, Das, Saha, Sahu, Shah, Sekh, Mohapatra, Bibi, Raut, Rout, Dash, Jena, Mehta, Samal, Sahoo, Singh, Swain, Barik, Khan, and Chakraborty