| Acronym | Definition |
|---|
| OCW➣Onderwijs, Cultuur en Wetenschap (Dutch: Education, Culture and Science; Netherlands) |
| OCW➣Open Course Ware |
| OCW➣Optimal Charge Weight (weapons) |
| OCW➣Overseas Contract Worker |
| OCW➣Oxford Companion to Wine (book) |
| OCW➣Our Common Welfare (Mesa, AZ; drug therapy and rehabilitation) |
| OCW➣Optional Computation Window |
| OCW➣Out Caching With (geocaching) |