HSPP
| Acronym | Definition |
|---|---|
| HSPP | Human Subjects Protection Program |
| HSPP | Health and Safety Partnership Program |
| HSPP | Hutchinson Smoking Prevention Project (study) |
| HSPP | Health Service Provider in Psychology |
| HSPP | Hrvatski Sindikat Prometnih Pilota (Croatian: Croatian Union of Civil Pilots) |
| HSPP | Hurricane Shore Protection Projects (US Army) |
| HSPP | Hughes Science Pipeline Project (est. 1991; Barnard College; New York) |
| HSPP | High Signal of the Posterior Pituitary |