Last name ตะวันฤทธิ์ (ตะวันฤทธิ์ 
) , all around the world, is an extremely rare family name. The cognomen ตะวันฤทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, ตะวันฤทธิ์ is the forename as well as the last name.