Family name Setthasak (Setthasak 
) , throughout the world, is an extremely rare cognomen. The last name Setthasak is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, Setthasak is the forename as well as the last name.
Maha, Sakha, Suwan, Chuchit, Pinchai, Phromma, Noimani, Papravech, Potchana, Sirikamnerd, Khemasrisuwan, Thianchai, Wongwandee, Yaemprasroed, and Wiboonkham