Across the world, แสงเจริญธรรม (แสงเจริญธรรม 
, Sangchareontham , Sangjaroentham) is an extremely rare unknown gender forename. Much more prevalently, แสงเจริญธรรม is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sangchareontham, Sangcharoentham, แสงเจริญธรรม | Thailand |