OPEL
| Acronym | Definition |
|---|---|
| OPEL | Ocean Prediction Experimental Laboratory (University of Miami; Miami, FL) |
| OPEL | One Perfect Everlasting Luxury (Denmark) |
| OPEL | Offizieller Pfusch Eines Lehrlings (German: Official Botch One Apprentice) |
| OPEL | Operations Planning and Execution Lite |
| OPEL | Open Platform for E-Learning (software development) |
| OPEL | Onomasticon Provinciarum Europae Latinarum (Latin text) |
| OPEL | Ohne Power Ewig Loser (German: Without Power Eternal Loser) |