| OWM | O'Donnell, Weiss, & Mattei, P. C. 
| Others |
| OWM | Office for Women in Medicine
| Others |
| OWM | Office of War Mobilization
| Others |
| OWM | Office of Waste Management
| Others |
| OWM | Office of Wastewater Management
| Others |
| OWM | Office of Wastewater Management ( EPA)
| Others |
| OWM | Office of Weights and Measures
| Others |
| OWM | Old White Men
| Others |
| OWM | Old World monkey
| Others |
| OWM | Old World Monkeys
| Others |
| OWM | Old World Murder
| Others |
| OWM | Omega Waste Management, Inc.
| Others |
| OWM | On Wheels Media
| Others |
| OWM | One Week Marketing
| Others |
| OWM | One World Music
| Others |
| OWM | Online Warehouse Management
| Others |
| OWM | Open Weather Map
| Others |
| OWM | Open Web Mail
| Others |
| OWM | Open Wheel Modified
| Others |
| OWM | Opera Web Mail
| Others |
| OWM | Oracle Wallet Manager
| Others |
| OWM | Oracle Warehouse Management
| Others |
| OWM | Oracle Workspace Manager
| Others |
| OWM | Ordinary Working Man
| Others |
| OWM | Oregon White Wine
| Others |
| OWM | Oregon White Wines
| Others |
| OWM | Organisation Werbungtreibende im Markenverband
| Others |
| OWM | Organization and Working Method
| Others |
| OWM | Osteopathic Wellness Medicine
| Others |
| OWM | Ostomy Wound Management
| Others |
| OWM | Oswal Woollen Mills
| Others |
| OWM | Our Web Media
| Others |
| OWM | Outdoor Wireless Mesh
| Others |
| OWM | Outlook Web Mobile
| Others |