Cognomen ปิย (Pyi 
, Piy 
, ปิย 
) , worldwide, is a common last name. The family name ปิย is habitual in Myanmar, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Guatemala, where it is a rare surname. Measured by absolute frequency, this name is the most popular in South-eastern Asia, particularly Myanmar, Malaysia, and Indonesia. Also, ปิย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pyi | Malaysia, Indonesia, India, Mongolia, Myanmar |
| Piy | Guatemala, Malaysia, Indonesia, India, Myanmar |
| ปิย | Thailand |