| Acronym | Definition |
|---|
| CIAB | Channel in a Box (broadcasting) |
| CIAB | Council of Insurance Agents & Brokers |
| CIAB | Camp in a Box (Vital Opportunities in Creative Empowerment) |
| CIAB | Cell in a Box |
| CIAB | Classroom in a Book (Adobe Press) |
| CIAB | Coal Industry Advisory Board (International Energy Agency |
| CIAB | Congreso Iberoamericano Sobre Biorefinerias (Spanish: Latin American Congress on Biorefineries) |
| CIAB | Consorzio Italiano Arredobagno |
| CIAB | Chemical Instruments AB (Sweden) |
| CIAB | Community In A Box (online communications platform) |
| CIAB | Compliance in a Bottle (Anderson Packaging Inc. child resistant and senior friendly pharmaceutical compliance prompting package) |
| CIAB | Convention sur l'Interdiction des Armes Biologiques et à Toxines (French: Convention on the Prohibition of Biological Weapons and Toxins; EU) |
| CIAB | Chicken in A Bag (forum) |
| CIAB | Confederation of Independent Accountancy Bodies (UK) |
| CIAB | Cluster-in-a-Box |