| Acronym | Definition |
|---|
| OWM | Organic Waste Management (various locations) |
| OWM | Organisation Werbungtreibende im Markenverband (German: Organization Advertisers in Brand Association) |
| OWM | Opera Web Mail |
| OWM | Oracle Warehouse Management |
| OWM | Optical Wheel Mouse |
| OWM | Open Web Mail |
| OWM | Online Warehouse Management |
| OWM | Old White Man |
| OWM | Oracle Wallet Manager |
| OWM | Old World Monkeys |
| OWM | Office of Water Management (US EPA) |
| OWM | Office of War Mobilization |
| OWM | Original Weight Mud (oil engineering) |
| OWM | Oberwachtmeister (German: a military rank) |
| OWM | Optical Wavelength Manager (Lightchip) |
| OWM | Office of Weights & Measures |
| OWM | One World Monopolists |
| OWM | One World Montessori (San Jose and Santa Clara,CA) |
| OWM | Okinawa World Mercenaries (PC multigaming community) |
| OWM | Oneway Ministries |
| OWM | Outwit Mashup (file extension) |