| Acronym | Definition |
|---|
| OIWC➣Outdoor Industry Women's Coalition |
| OIWC➣Outdoor Industry Women's Council |
| OIWC➣Oil Immersed Water Cooled (transformer or other electrical equipment) |
| OIWC➣Okinawan International Women's Club |
| OIWC➣Oulu International Womens' Club (Finland) |