| Abbreviation | Definition |
|---|---|
| IBTM | International Business Travel Management |
| IC | In Class |
| IC | International Company |
| ICA | International Cocoa Agreement |
| ICA | International Coffee Agreement |
| ICA | International Commodity Agreement |
| ICA | International Co-operative Alliance |
| ICAO | International Civil Aviation Organization |
| ICB | International Certification Bureau |
| ICB | International Competitive Bidding |
| ICBC | Industrial and Commercial Bank of China |
| ICC | Indian Chamber of Commerce |
| ICC | International Chamber of Commerce |
| ICC | International Coordination Center |
| ICC | Iso Cost Curve |
| ICCF | Israeli Chamber for members of the Customs |
| ICE | International Construction Equipment |
| ICEGATE | Indian Custom EDI Gateway |
| ICFTU | International Confederation of Free Trade Unions |
| ICH | International Co-operation on Harmonization |