Last name ชูสิทธิ์ (ชูสิทธิ์ 
, Choosit 
) , in the entire world, is quite a rare family name. The surname ชูสิทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname. Likewise, ชูสิทธิ์ is the forename as well as the last name.