Surname เพ็ญภักดี (เพ็ญภักดี 
, Penpukdee ) , across the world, is a rare cognomen. The cognomen เพ็ญภักดี is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, เพ็ญภักดี is the forename as well as the last name.