Cognomen ผ่า (Pha 
, ผ่า) , worldwide, is a common surname. The surname ผ่า is characteristic of South-eastern Asia, particularly Brunei, where it is quite a common surname, Myanmar, and Laos, where it is quite a rare surname. In absolute terms, this name is the most popular in Myanmar, India, and Vietnam. Also, ผ่า is the forename as well as the last name.