All around the world, Petchakul (เพชรสกุล 
, เพ็ชรสกุล , Petchakul ) is a very rare unisex first name. The forename Petchakul is habitual in South-eastern Asia, particularly Thailand, where it is a very rare gender-neutral name. More frequently, Petchakul is the last name as well as the forename.