Cognomen มงคลเดชกุล (มงคลเดชกุล 
, Mongkondedkun , Mongkondejkun ) , across the world, is a very rare family name. The last name มงคลเดชกุล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| มงคลเดชกุล, Mongkondechkun, Mongkondedkun, Mongkondejkun | Thailand |