Last name ปิยเศรษฐ์ (ปิยเศรษฐ์ 
) , globally, is a very rare cognomen. The cognomen ปิยเศรษฐ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, ปิยเศรษฐ์ is the forename as well as the last name.