UPCO
| Acronym | Definition |
|---|---|
| UPCO | Universidad Pontificia de Comillas (Catholic university; Madrid, Spain) |
| UPCO | Utila Power Company (Utila, Honduras) |
| UPCO | United Pharmacal Co. |
| UPCO | Universal Propulsion Company, Inc. |
| UPCO | Under Pressure Cut Off (valve) |
| UPCO | Unilateral Posterior Semicircular Canal Occlusion (biomedical sciences) |