IBWA
| Acronym | Definition |
|---|---|
| IBWA | International Bottled Water Association |
| IBWA | International Belt-Wrestling Association |
| IBWA | International Black Writers Association (New York, NY) |
| IBWA | In-Building Wireless Alliance |
| IBWA | International Brotherhood Welfare Association (hobo mutual aid society; 1905-1922) |
| IBWA | Industry Based Workload Alignment |