Cognomen Vongchiengkham (Vongchiengkham 
) , around the world, is quite a rare family name. The last name Vongchiengkham is characteristic of South-eastern Asia, particularly Laos, where it is quite a common surname, and Thailand, where it is a very rare surname. Much less frequently, Vongchiengkham is the forename as well as the last name.
Poutphasone, Souphan, Soukaphone, Khemphone, Phoutphasone, and Naphaphone