In the entire world, เพียรเพชร (เพียรเพชร 
) is a very rare mostly feminine, but uncommonly masculine given name. The first name เพียรเพชร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare mostly female, but seldom boy's name. Likewise, เพียรเพชร is the last name as well as the forename.