Family name คมธวัช (คมธวัช 
, Komthawat , Khomattawat ) , all over the world, is a very rare last name. The family name คมธวัช is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, คมธวัช is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khomattawat, Komthawat, คมธวัช | Thailand |