| Acronym | Definition |
|---|
| CIAI➣Centro de Investigación Atmosférica de Izaña (Spanish: Atmospheric Research Center of Izaña) |
| CIAI➣Cochlear Implant Association, Inc. |
| CIAI➣Complicated Intra-Abdominal Infection |
| CIAI➣Centro Italiano Aiuti per l'Infanzia (Italian: Help to Children) |
| CIAI➣Computer Industry Almanac Inc. (est. 1986) |
| CIAI➣Community Insurance Agency, Inc. (Northbrook, IL) |
| CIAI➣Case-Insensitive and Accent-Insensitive |