| ICIR | Initial Critical Incident Response 
| Others |
| ICIR | Institute for Communication and Information Research
| Others |
| ICIR | Interfaith Coalition for Immigrant Rights
| Others |
| ICIR | Intermediate Certificate in Industrial Relations
| Others |
| ICIR | Internal Continuous Improvement Review
| Others |
| ICIR | International Center for Insurance Regulation
| Others |
| ICIR | International Centre for Investigative Reporting
| Others |
| ICIR | International Committee for Insulin Resistance
| Others |