Worldwide, พิลารัตน์ (พิลารัตน์ 
) is a very rare largely girly, but infrequently boy's given name. The forename พิลารัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare mostly female, but uncommonly boy's name. More frequently, พิลารัตน์ is the last name as well as the forename.