Cognomen มงคลธรรม (มงคลธรรม 
, Munglarkthum , Mongkolthum) , globally, is a rare surname. The last name มงคลธรรม is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, มงคลธรรม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Munglarkthum, มงคลธรรม, Mongkholthum | Thailand |
Mongkholtham, Mongkhontham, Mongkoltham, Mongkultum, and Monkongtum
| ชิงชัย มงคลธรรม Thai politician, TH (b. 1951) |
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