| Acronym | Definition |
|---|
| OMW | Omak (Amtrak station code; Omak, WA) |
| OMW | On My Way |
| OMW | Oh My Word |
| OMW | Olive Mill Wastewater (olive oil production) |
| OMW | Object Management Workbench (IntelliCorp) |
| OMW | Old Man Winter |
| OMW | Online Model World (Internet modeling community) |
| OMW | One Minute Wonder |
| OMW | One Microsoft Way (address) |
| OMW | Opponents' Match-Win Percentage (tie-breaker) |
| OMW | Oberbaumesswagen (German) |
| OMW | Oh My Walrus |
| OMW | Oh My Wow |
| OMW | Organizational Mastery Workshop (Stanford Advanced Project Management) |
| OMW | Oh My Waffle |
| OMW | Observation Monitoring Well (water pollution regulation) |