Cognomen ศิริฤกษ์ (ศิริฤกษ์ 
, Sirirerg , Siriruksa ) , in the world, is a rare surname. The family name ศิริฤกษ์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, ศิริฤกษ์ is the forename as well as the last name.