| Abbreviation | Definition |
|---|---|
| CIC | Community Investment Corporation |
| CICI | corporate investment and community impact |
| CID | Claims and Investment Disputes |
| CIDA | Certified Investments and Derivatives Auditor |
| CIDIC | China International Development and Investment Corporation Limited |
| CIES | Capital Investment Entrant Scheme |
| CIF | Climate Investment Funds |
| CIF | Community Investment Fund |
| CIFF | Children's Investment Fund Foundation |
| CIFI | Community Investment Fund of Indiana |
| CIFR | Cyber Incident Forensic Response |
| CIG | Capital Investment Grants |
| CIG | Consolidated Investment Group |
| CIIC | China Infrastructure Investment Corp |
| CIIC | China Infrastructure Investment Corporation |
| CIIC | Commercial International Investment Co |
| CIIF | Cultural Industry Investment Fund |
| CIIL | Crown Irrigation Investments Limited |
| CIIN | Canadian Institutional Investment Network |
| CIIS | Community Investment Impact System |