Surname Pongjak (Pongjak 
) , in all the world, is an extremely rare last name. The surname Pongjak is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, Pongjak is the forename as well as the last name.
Maneesan, Chetpaopan, Jankokidtikun, Chatphaophan, Chetphaophan, Kongsuwan, Panichkul, Tuvicharanonta, Jirakijcharoenwanich, and Watcharapichitsak