Cognomen เหมังกร (เหมังกร 
) , all around the world, is a very rare family name. The family name เหมังกร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, เหมังกร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เหมังกร | Thailand |