Last name สุทธิเวทย์ (สุทธิเวทย์ 
) , in all the world, is a very rare cognomen. The last name สุทธิเวทย์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, สุทธิเวทย์ is the forename as well as the last name.