Across the world, ประสงศ์ (ประสงศ์ 
) is a very rare mostly male, but seldom girly forename. The first name ประสงศ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare dominantly masculine, but infrequently feminine name. Very seldom, ประสงศ์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| ประสงศ์ | Thailand |