Cognomen สุขสิทธิ์ (Suksit 
, สุขสิทธิ์ , Suksith ) , globally, is a rare last name. The cognomen สุขสิทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. More frequently, สุขสิทธิ์ is the forename as well as the last name.