| Acronym | Definition |
|---|
| HPSU➣High Potential Start Up (Ireland) |
| HPSU➣Herbarium of Portland State University |
| HPSU➣Hartford Party Starters Union (Connecticut) |
| HPSU➣Himachal Pradesh Students Union (India) |
| HPSU➣High Performance Sports Unit (Palmerston North Girls's high school, New Zealand) |
| HPSU➣Hewlett-Packard Software Update |