| OWP | Obsessed With Pakistan 
| Others |
| OWP | Ocean Waste Plastic
| Others |
| OWP | Odyssey Web Productions
| Others |
| OWP | Offensive Winning Percentage
| Others |
| OWP | Office of Water Prediction
| Others |
| OWP | Office of Water Programs
| Others |
| OWP | Office of Women's Policy
| Others |
| OWP | Offline Work Process
| Others |
| OWP | Ohio Writing Project
| Others |
| OWP | Oma Work Program
| Others |
| OWP | On Weight Of Polypropylene
| Others |
| OWP | One Week Piece
| Others |
| OWP | One Week Project
| Others |
| OWP | One Word Post
| Others |
| OWP | One World Prettie
| Others |
| OWP | One Write Plus
| Others |
| OWP | Only With Pleasure
| Others |
| OWP | Open Web Platform
| Others |
| OWP | OpenVZ Web Panel
| Others |
| OWP | Opponents Winning Percentage
| Others |
| OWP | Optimum Wellness Plans
| Others |
| OWP | Optische Werke Passau
| Others |
| OWP | Orbiter Weather Protection
| Others |
| OWP | Orchestrating Winning Performance
| Others |
| OWP | Ordinary Waiting Period
| Others |
| OWP | Oregon Web Press
| Others |
| OWP | Oregon Workforce Partnership
| Others |
| OWP | Oregon Writing Project
| Others |
| OWP | Organic Where Possible
| Others |
| OWP | Organizacja Wyzwolenia Palestyny
| Others |
| OWP | Ortovox Wool Promise
| Others |
| OWP | Oryx White Pearl
| Others |
| OWP | Ost West Partner
| Others |
| OWP | Overall Work Program
| Others |
| OWP | Oxfordshire Waste Partnership
| Others |
| OWP | Ozarks Writing Project
| Others |