| Term | Full Form | Category |
|---|---|---|
| WAIA | Washington Alcohol Impact Area | Others |
| WAIA | Washington Area Intergroup Association | Others |
| WAIA | Washington Automotive Industry Association | Others |
| WAIA | Weighted Analog Intensity Atlantic | Others |
| WAIA | West Avenue Improvement Association | Others |
| WAIA | Western Arkansas Intermodal Authority | Others |
| WAIA | Western Australian Internet Association | Others |
| WAIA | Who Am I Anyhow? | Others |
| WAIA | Wireless Advertising Industry Association | Others |