Family name จงฤทธิ์ (จงฤทธิ์ 
, Jongrit 
, Zongrit ) , around the world, is a very rare cognomen. The cognomen จงฤทธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, จงฤทธิ์ is the forename as well as the last name.