| CIWA | Calgary Immigrant Womens' Association 
| Others |
| CIWA | California Immigrant Workers Association
| Others |
| CIWA | California Institute of World Archaeology
| Others |
| CIWA | California Insurance Wholesalers Association
| Others |
| CIWA | Canadian Injured Worker Alliance
| Others |
| CIWA | Canadian Injured Workers Alliance
| Others |
| CIWA | Canadian International Wrestling Association
| Others |
| CIWA | Catholic Institute Of West Africa
| Others |
| CIWA | Central Illinois Womens Action
| Others |
| CIWA | Central Iowa Water Association
| Others |
| CIWA | Certified Internet Webmaster Administrator
| Others |
| CIWA | Certified Internet Webmaster Associate
| Others |
| CIWA | Cescanadian Injured Workers Alliance
| Others |
| CIWA | Clinical Institute Withdrawal Assessment
| Others |
| CIWA | Construction Industries Wholesalers Association
| Others |
| CIWA | Cooperation in International Waters in Africa
| Others |