OPAP
| Acronym | Definition |
|---|---|
| OPAP | Overseas Presence Advisory Panel |
| OPAP | Onomasia Proelefseos Anoteras Piotitos (Esperanto: Appellation of Origin of Superior Quality; wine classification) |
| OPAP | Operational Performance Acceptance Procedures |
| OPAP | On Premises Accreditation Program |
| OPAP | Other Project-Affected People (dam construction) |
| OPAP | Office of Policy Analysis and Planning (Department of Corrections and Rehabilitation; Canada) |