| Acronym | Definition |
|---|
| CIIB | Cayman Islands Investment Bureau |
| CIIB | Canadian International Immigration Bureau (Canada) |
| CIIB | Criminal Investigation and Intelligence Branch (Phillipines) |
| CIIB | Citi Islamic Investment Bank |
| CIIB | Centro Interdisciplinar de Investigação Bioquímica |
| CIIB | Criminal Intelligence and Investigative Bureau |
| CIIB | Colegio Internacional de las Islas Baleares |
| CIIB | Centro de Intercambio de Información en Bioseguridad |
| CIIB | Certified Indonesian Insurance Brokers |
| CIIB | Corporate Information Integration Board |
| CIIB | Charterstar Insurance International Brokers Limited |
| CIIB | Corner Inlet Initiatives Board |