Cognomen Khongmai (Khongmai 
) , in all the world, is a rare last name. The surname Khongmai is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, Khongmai is the forename as well as the last name.
Yada, Nuttaphong, Phitchapon, Thammarit, Thanapong, Laoongsri, Phianphon, Phanupong, Kittipong, Nattapon, Thirayut, Thayanit, Kiatnarong, Sutthiphong, Chanitta, Suppasun, Sippawit, Yuanphit, Nittaya, Nisarat, Pisamai, Chaiwat, Veerin, Patphu, Chayut, Sommai, Sonram, Soamchai, and Khwanruethai