| Acronym | Definition |
|---|
| IWBC➣International Women's Brass Conference |
| IWBC➣Insect World Battle Championships |
| IWBC➣Intermediate Western Boundary Current |
| IWBC➣In Work Benefit Calculations (UK) |
| IWBC➣Intermittent Warm Blood Cardioplegia |
| IWBC➣Internet World Bridge Championships |
| IWBC➣Independent Wine Buyers Consortium (UK) |
| IWBC➣Indian Wells Brewing Company |