Surname ปิติรัตน์ (ปิติรัตน์ 
, Pitirat 
) , in the world, is a very rare last name. The family name ปิติรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. More frequently, ปิติรัตน์ is the forename as well as the last name.