Worldwide, แทนธรรม (แทนธรรม 
, Tantham ) is a very rare boy's forename. The given name แทนธรรม is habitual in South-eastern Asia, particularly Thailand, where it is a very rare male name. Likewise, แทนธรรม is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tantham, แทนธรรม | Thailand |