Cognomen อวยธรรม (อวยธรรม 
) , throughout the world, is an extremely rare surname. The family name อวยธรรม is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much less frequently, อวยธรรม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| อวยธรรม | Thailand |