Last name ดงจันทร์ (ดงจันทร์ 
) , in the world, is a very rare cognomen. The cognomen ดงจันทร์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ดงจันทร์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ดงจันทร์ | Thailand |