Cognomen Piyatas (Piyatas 
) , globally, is an extremely rare family name. The surname Piyatas is habitual in Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Piyatas is the forename as well as the last name.
Pesri, Meesuea, Sangdao, Saejeim, Boonnum, Imphaiboon, Tapaopong, Vivakaroon, Suthapornpat, Seehapong, Settachan, Kaosamphan, Pannarong, Piyanansomdee, Bamrungtrakul, and Suksomprasong