Family name สกุลฤทธิ์ (สกุลฤทธิ์ 
, Sakunrit) , all around the world, is a very rare cognomen. The last name สกุลฤทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, สกุลฤทธิ์ is the forename as well as the last name.