Globally, วิชัยศักดิ์ (วิชัยศักดิ์ 
, Wichaisak ) is a very rare male first name. The forename วิชัยศักดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare boy's name. Much less frequently, วิชัยศักดิ์ is the last name as well as the forename.