In the entire world, สิทธิฤกษ์ (สิทธิฤกษ์ 
) is a very rare male first name. The first name สิทธิฤกษ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare male name. More frequently, สิทธิฤกษ์ is the last name as well as the forename.