| Acronym | Definition |
|---|
| MIWA➣Marine and Inland Waters Administration (State Environmental Service; Ministry of Environment; Latvia) |
| MIWA➣Michelangelo International Wine Awards (est. 1997) |
| MIWA➣Maine Injured Workers Association |
| MIWA➣Merritt Island Wildlife Association |
| MIWA➣Municipal and Industrial Water Authority (Texas) |
| MIWA➣Materials Institute of Western Australia |