OIWC
| 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) |