Across the world, Duangkhamjan (Duangkhamjan 
) is an extremely rare unknown gender first name. Predominantly, Duangkhamjan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Duangkhamjan | Thailand |
Wan, Somporn, Nongrak, Tassanee, and Siraprapha