| Acronym | Definition |
|---|
| IWRA➣International Water Resources Association |
| IWRA➣International Wild Rice Association |
| IWRA➣International Wildlife Refuge Alliance (est. 2006) |
| IWRA➣Inventory of Work-Relevant Abilities (ACT, Inc.) |
| IWRA➣Instant Wealth Resource Awareness (internet forum) |
| IWRA➣International Water Rocket Association |
| IWRA➣Internet Website Rating Administration |