| Acronym | Definition |
|---|
| OUP➣Oxford University Press |
| OUP➣Operation Unified Protector (NATO) |
| OUP➣Office of University Partnerships (HUD) |
| OUP➣Official Unionist Party |
| OUP➣Orfeão Universitário do Porto (Portugal: Choir of the University of Porto) |
| OUP➣Open Unified Process (computing) |
| OUP➣Ornstein-Uhlenbeck Process |
| OUP➣Online Urban Planning (Redondo Beach, California) |