| Acronym | Definition |
|---|
| COOP | Cooperation |
| COOP | Cooperative (IRB) |
| COOP | Continuity of Operations Plan |
| COOP | Continuity of Operations |
| COOP | Cooperativa (Italian) |
| COOP | Cooperate |
| COOP | Care of the Older Person |
| COOP | Cooperative Observer Program (National Weather Service) |
| COOP | Concurrent Object-Oriented Programming |
| COOP | C++ Object Oriented Programming |
| COOP | Continuation of Operations |
| COOP | Country of Origin Principle (EU) |
| COOP | Coastal Ocean Processes |
| COOP | Coastal Ocean Observation Panel |
| COOP | Contingency Of Operations Plan |
| COOP | Cook's Petrel (bird species) |
| COOP | Craft Of Opportunity Program |
| COOP | Continuity of Operations Procedure |
| COOP | CLIVAR Ocean Observing Panel |
| COOP | Consideration of Others Program (US Army Intelligence and Security Command Human Relations Program) |
| COOP | Critically Out of Position |