Family name Kaidar (Kaidar 
, Кайдар 
) , around the globe, is a rare cognomen. The cognomen Kaidar is characteristic of Algeria, where it is a rare surname, Kazakhstan, and Saudi Arabia. Measured by absolute frequency, it is the most numerous in India, Indonesia, and Algeria. More prevalently, Kaidar is the forename as well as the last name.
Mal, Saini, Singh, Sekha, Kumar, Rajak, Tanti, Hamid, Yadav, Mandal, Manjhi, Mahato, Sahani, Sharma, Pandit, Paswan, Prasad, Thakur, Ismael, Mukhiya, Ravidas, Hendawy, Mahto, Zharykov, Hass, Raut, Sah, Sav, Saw, Sih, Ali, Bai, Bin, Pal, Ram, Ray, Das, Lal, Jha, Moto, Moin, Said, Saha, Sahu, Sada, Khan, Purw, Nath, and Chaudhari