Family name ราชฤทธิ์ (ราชฤทธิ์ 
, Rajarit 
, Ratcharit 
) , in all the world, is a rare surname. The surname ราชฤทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Likewise, ราชฤทธิ์ is the forename as well as the last name.