Cognomen เสาวฤทธิ์ (Saowarit 
, เสาวฤทธิ์ ) , in the entire world, is a very rare last name. The surname เสาวฤทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, เสาวฤทธิ์ is the forename as well as the last name.