| Acronym | Definition |
|---|
| ARWA➣Alabama Rural Water Association |
| ARWA➣Alaska Rural Water Association |
| ARWA➣Arkansas Rural Water Association |
| ARWA➣Alberta Romance Writers' Association (Canada) |
| ARWA➣Advanced Rotary Wing Aircraft |
| ARWA➣Agricultural Research Western Australia (est. 2004) |
| ARWA➣African Relief & Welfare Agency (Australia) |