Family name ดรุณฤทธิ์ (ดรุณฤทธิ์ 
) , around the globe, is an extremely rare last name. The cognomen ดรุณฤทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, ดรุณฤทธิ์ is the forename as well as the last name.