Worldwide, ชัยฤกษ์ (ชัยฤกษ์ 
, Chairoek , Chaiyarerk ) is a rare boy's forename. The forename ชัยฤกษ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare boy's name. Likewise, ชัยฤกษ์ is the last name as well as the forename.