Cognomen วิชัยรักษ์ (วิชัยรักษ์ 
, Wichairak , Wichainruk ) , worldwide, is a very rare last name. The cognomen วิชัยรักษ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, วิชัยรักษ์ is the forename as well as the last name.