| Acronym | Definition |
|---|
| IDWA➣Inter-Divisional Work Authorization |
| IDWA➣International Data Warehousing Association (Andover, MA) |
| IDWA➣Idaho Direct Writing Assessment (test) |
| IDWA➣Inter Departmental Work Authorization |
| IDWA➣Inverse Distance Weighted Average |
| IDWA➣Idaho Department of Water Administration |