All around the world, เพ็ชรชัย (เพ็ชรชัย 
) is a very rare mostly male, but seldom girly given name. The first name เพ็ชรชัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare mostly boy's, but seldom female name. Also, เพ็ชรชัย is the last name as well as the forename.