Cognomen ราชลักษณ์ (ราชลักษณ์ 
, Rachalak , Rachalag ) , around the globe, is a very rare surname. The cognomen ราชลักษณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, ราชลักษณ์ is the forename as well as the last name.