Cognomen Kongdam (Kongdam 
) , in the world, is a rare last name. The last name Kongdam is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname.
Anan, Chutimay, Benjawan, Boonchai, Boonchat, Kanokwon, Kammares, Khrongkwan, Kitjawat, Pinanong, Pumpipat, Thanitta, Chirawade, Phitchaya, Jeerapong, Jureeporn, Thanaporn, Nuttakarn, Wannakhwan, Wuttichai, Chirawadee, Krischanon, Chirarot, Kraisittipon, Chitpapa, Jiamjit, Prapa, Vijit, Suchet, Chaoon, Pakdee, Pranom, Ratree, Jumrat, Worada, Matinee, Metinee, Surasak, Suchada, Somying, Somjira, Chalaew, Kiatrawee, Pralarat, Porames, Poramin, Luckana, Nitipat, and Ratchaneewan