Surname แสงเจริญธรรม (แสงเจริญธรรม 
, Sangchareontham , Sangjaroentham) , across the world, is a very rare family name. The family name แสงเจริญธรรม is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, แสงเจริญธรรม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sangchareontham, Sangcharoentham, แสงเจริญธรรม | Thailand |