Family name เหล่าทรงธรรม (เหล่าทรงธรรม, Laosongtum 
) , around the globe, is an extremely rare last name. The family name เหล่าทรงธรรม is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Laosongtum | Thailand |