| Acronym | Definition |
|---|
| OCSP➣Online Certificate Status Protocol |
| OCSP➣Oxford Community Stroke Project (stroke classification) |
| OCSP➣Orangutan Conservation Services Program (USAID; Indonesia) |
| OCSP➣Oklahoma College Savings Plan |
| OCSP➣Off-Campus Study Program |
| OCSP➣Optimal Constraint Satisfaction Problem (computer programming) |