Throughout the world, ประพงค์ (ประพงค์ 
) is a very rare boy's forename. The given name ประพงค์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare male name. Very seldom, ประพงค์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ประพงค์ | Thailand |