In all the world, ดวงจัน (ดวงจัน 
) is a very rare unisex given name. The given name ดวงจัน is habitual in South-eastern Asia, particularly Thailand, where it is a very rare gender-neutral name. Very seldom, ดวงจัน is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ดวงจัน | Thailand |