Cognomen คงฤทธ (คงฤทธ 
) , across the world, is an extremely rare family name. The last name คงฤทธ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Very seldom, คงฤทธ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| คงฤทธ | Thailand |