Surname ธรรมรงค์ฤทธิ์ (ธรรมรงค์ฤทธิ์ 
) , worldwide, is an extremely rare family name. The surname ธรรมรงค์ฤทธิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, ธรรมรงค์ฤทธิ์ is the forename as well as the last name.