Surname Piamsak (Piamsak 
) , in the entire world, is a very rare cognomen. The last name Piamsak is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Piamsak is the forename as well as the last name.
Anan, Kaewsalabnil, Sansiritawisuk, Techamanon, Jaruthaniyanond, Ratchapong, Khongsongsiang, Wongsawad, Iamcharoen, Harnraktham, Pansumdang, Kunakhonpratheep, Aungcharoen, Skolkitivat, Seehatrai, Luanchan, Ruamraksa, Komasang, Siripong, Saensirithawisuk, Uraipan, Vonglek, Laokhen, Asalyakul, Uaamporn, Fahumnuay, Saedan, Sakbuathong, Thaweesinprasan, and Phongcharoenwarunyoo