Cognomen Lamdaun (Lamdaun 
) , worldwide, is an extremely rare family name. The surname Lamdaun is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Predominantly, Lamdaun is the forename as well as the last name.
Artit, Geddis, Tasiri, Conpian, Borowski, Buchanan, Phanthet, Wangkeelee, Yungthong, Chankasem, Chaithong, Kaewmeesuk, Promdoung, Somprasong, and Boonchamneal