CCIW
| Acronym | Definition |
|---|---|
| CCIW | College Conference of Illinois and Wisconsin |
| CCIW | Canada Centre for Inland Waters (International Aquatic Research Centre; Burlington, Ontario) |
| CCIW | Christian Church in Illinois and Wisconsin |
| CCIW | Computational Color Imaging Workshop |
| CCIW | Commercial Crime Investigation Wing (India) |
| CCIW | Christian Camps in Wales (UK) |