Family name Thammakhanty (Thammakhanty 
) , all around the world, is a very rare surname. The cognomen Thammakhanty is habitual in Laos, where it is a rare surname, France, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Thammakhanty | Laos, France, United States |