Last name พันปี (Millen 
, พันปี 
, Phanpi ) , around the world, is quite a common family name. The cognomen พันปี is habitual in Bhutan, where it is quite a common surname, Jamaica, where it is quite a rare surname, and Netherlands. Measured by absolute frequency, the name is most common in the United States, the United Kingdom, and Australia. Very seldom, พันปี is the forename as well as the last name.