Surname Songtam (ทรงธรรม 
, Songtam ) , in the entire world, is a rare last name. The cognomen Songtam is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname. More frequently, Songtam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ทรงธรรม, Songtam | Thailand |