Cognomen Kuldar (Кулдар 
, Кульдар , Kuldar 
) , in the entire world, is an extremely rare last name. The cognomen Kuldar is habitual in Kyrgyzstan, where it is a very rare surname, and India, where it is an extremely rare surname. Much more frequently, Kuldar is the forename as well as the last name.
Pai, Rosen, Lugna, Lulla, Erras, Andrea, Kaasik, Kurrik, Krabbi, Liivat, Juhkam, Vaarsi, Orumaa, ¼La, Keskula, Kirikal, Klaasberg, Käsper, Salumäe, Kaljuste, Kesküla, Kullasepp, Pigul, Kõiv, Kruup, Kuusk, Nei, Oja, Moor, Sikk, Sepp, Soro, Sper, Kook, Koik, Kukk, Teinmann, Lepp, Hein, Okas, Matso, Masso, Mänd, Sorra, Alles, Kongo, Keldu, Keppe, Tamm, and Vallandi