| Acronym | Definition |
|---|
| CIWA | Clinical Institute Withdrawal Assessment |
| CIWA | Canadian Injured Workers Alliance |
| CIWA | California Insurance Wholesalers Association |
| CIWA | Catholic Institute of West Africa |
| CIWA | Committee on Institution-Wide Accreditation |
| CIWA | Coastal Industrial Water Authority (Houston, TX) |
| CIWA | Certified Internet Webmaster Associate |
| CIWA | California Institute of World Archaeology |
| CIWA | Canadian Independent Wrestling Alliance (Peterbough, Ontario, Canada) |
| CIWA | California Immigrant Workers Association |
| CIWA | Coalition of Immigrant Worker Advocates |
| CIWA | Construction Industries Wholesalers Association (Englewood Cliffs, NJ) |
| CIWA | Certified Internet Webmaster Administrator |
| CIWA | Cambodian Improvement Women Association (Kandal, Cambodia) |
| CIWA | Clinical Institute Withdrawal for Alcohol (scale) |
| CIWA | Central Idaho Wilderness Act of 1980 (US) |
| CIWA | Central Indiana Writers Association (Greenwood, IN) |
| CIWA | Catholic Italian Welfare Association (Australia) |
| CIWA | Championship International Wrestling Alliance |
| CIWA | Citrine Wagtail (Motacilla citreola) |
| CIWA | Cook Islands Workers Association Incorporated (trade union) |
| CIWA | condition identification work authorization |
| CIWA | Commercial Industrial Waste Applications (San Jose, CA waste and recycling advocate company) |