Cognomen Ajat (Ajat 
) , in all the world, is quite a rare surname. The family name Ajat is habitual in Indonesia, where it is a rare surname, Malaysia, and Saudi Arabia, where it is a very rare surname. In absolute terms, it is commonest in Indonesia, Malaysia, and India. More prevalently, Ajat is the forename as well as the last name.
Mar, Drajat, Irawan, Munajat, Saputra, Sukmana, Suganda, Kusnadi, Darajat, Darojat, Biswas, Jatnika, Zatmika, Sudarjat, Suderajat, Sudrajat, Setiawan, Somantri, Soedrajat, Supriatna, Sudarajat, Hidayat, Shatru, Sharma, Sardar, Ali, Aja, Ram, Ray, Tea, Sahu, Sule, Sekh, Ajah, Khan, Kuma, Thea, Molla, Sheik, Singh, Kumar, Kumaa, Yusof, Mandal, Mallik, Mondal, Kurniawan, and Zulkarnaen