Across the world, พิชัยศักดิ์ (พิชัยศักดิ์ 
, Pichaisak ) is a very rare primarily boy's, but very seldom female forename. The forename พิชัยศักดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare predominantly boy's, but very infrequently girly name. Likewise, พิชัยศักดิ์ is the last name as well as the forename.