Cognomen ณรงค์ฤทธ์ (ณรงค์ฤทธ์ 
) , around the globe, is an extremely rare family name. The surname ณรงค์ฤทธ์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, ณรงค์ฤทธ์ is the forename as well as the last name.
จงอวยพร, มากคง, กฤตพุทธิธรรม, and สุขกันตะ