| Abbreviation | Definition |
|---|---|
| I | Israel |
| IAPSO | Inter-agency Procurement Services Office |
| IBRD | International Bank for Reconstruction and Development |
| IC | Imperial China |
| ICPR | Importing Countries Phytosanitary Requirements |
| ID | Indonesia |
| IDA | India |
| IDZ | Industrial Development Zone |
| IE | Ireland |
| IGO | Intergovernmental organization |
| IL | Israel |
| IMEC | Industrialized Market Economy Countries |
| IN | India |
| IND | India |
| IND | Indonesia |
| INDO | Indonesia |
| IO | British Indian Ocean Territory |
| IOK | Indian Oppressed Kashmir |
| IQ | Iraq |
| IR | Iran |