| OWC | Observed Wind Climate 
| Others |
| OWC | Obstacle Warning Cue
| Others |
| OWC | Off World Colonies
| Others |
| OWC | Office of Web Consultation
| Others |
| OWC | Office of Workers Compensation
| Others |
| OWC | Office of Workforce Competitiveness
| Others |
| OWC | Office Web Component
| Others |
| OWC | Office Web Components
| Others |
| OWC | Officers Wifes' Club
| Others |
| OWC | Officers Wives Club
| Others |
| OWC | Official Weekly Challenge
| Others |
| OWC | Offshore World Championship
| Others |
| OWC | Ohio Wellness Center
| Others |
| OWC | Oil Water Coalition
| Others |
| OWC | Oil Water Contact
| Others |
| OWC | Oil Wholesaling Countries
| Others |
| OWC | Oklahoma Weather Center
| Others |
| OWC | Old Woman Creek
| Others |
| OWC | Old Work Clips
| Others |
| OWC | Old World Chaos
| Others |
| OWC | Old World Charm
| Others |
| OWC | Old World Christmas
| Others |
| OWC | Oldman Watershed Council
| Others |
| OWC | One While Changing
| Others |
| OWC | One Who Cares
| Others |
| OWC | One World Cafe
| Others |
| OWC | One World Cannabis
| Others |
| OWC | Online Writing Center
| Others |
| OWC | Open Web Center
| Others |
| OWC | Open Wheel Car
| Others |
| OWC | Open Wheeler Challenge
| Others |
| OWC | Open With Care
| Others |
| OWC | OpenBSD Weekly Changes
| Others |
| OWC | Operating Working Capital
| Others |
| OWC | Opportunity Works Connecticut
| Others |
| OWC | Optical Wheel Mouse
| Others |
| OWC | Optical Wireless Communications
| Others |
| OWC | Oracle Web Center
| Others |
| OWC | Oracle Web Conferencing
| Others |
| OWC | Oral Without Condom
| Others |
| OWC | Orange Watch Company
| Others |
| OWC | Orangemen Wrestling Commision
| Others |
| OWC | Oregon Wheat Commission
| Others |
| OWC | Oregon Woodland Cooperative
| Others |
| OWC | Organic Waste Converter
| Others |
| OWC | Organic World Congress
| Others |
| OWC | Orgasm World Championship
| Others |
| OWC | Original Wood Case
| Others |
| OWC | Original Wooden Case
| Others |
| OWC | Oris Watch Company
| Others |
| OWC | Orlando Watersports Complex
| Others |
| OWC | Oscillating Water Column
| Others |
| OWC | Osu World Cup
| Others |
| OWC | Other Word Computing
| Others |
| OWC | Other World Computing
| Others |
| OWC | Other Worlds Cafe
| Others |
| OWC | Our Wee Country
| Others |
| OWC | Our Wine Coterie
| Others |
| OWC | Out With Clinton
| Others |
| OWC | Outline Of World Cultures
| Others |
| OWC | Outside Wheel Cut
| Others |