| IICA | Indian Institute of Corporate Affairs 
| Others |
| IICA | Institute of Instrumentation Control and Automation
| Others |
| IICA | Institute of Iowa Certified Assessors
| Others |
| IICA | Inter-American Institute for Cooperation on Agriculture
| Others |
| IICA | International Ice Cream Association
| Others |
| IICA | International Institute of Culinary Arts
| Others |
| IICA | Invest In Children Africa
| Others |
| IICA | Investors Insurance Company of America
| Others |
| IICA | Iranian Institute of Certified Accountants
| Others |
| IICA | Islamic Information Center of America
| Others |
| IICA | Israeli Institute of Commercial Arbitration
| Others |