Surname Kanthacha (Kanthacha 
) , in the world, is an extremely rare family name. Much more prevalently, Kanthacha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kanthacha | Thailand |
Somsak, Itsara, Senarak, Ektrakool, Pathumpech, Charuchinda, and Ratanasakol