| Abbreviation | Definition |
|---|---|
| INEF | Irish Needle Exchange Forum |
| INLF | Intergovernmental National Litigation Forum |
| INSAF | Indian National Social Action Forum |
| INSAF | Indian Social Action Forum |
| INSAF | The International South Asia Forum |
| IPEF | Improving the Patient Experience Forum |
| IPLF | International Pastors and Leaders Forum |
| IPLF | Islamic Psychology Learning Forum |
| IPWF | Indian Pilgrim Welfare Forum |
| IREF | Indian Real Estate Forum |
| IREF | International Rain Enhancement Forum |
| IREF | Internet Real Estate Forum |
| IRF | International Recruitment Forum |
| ISCF | India Shopping Centre Forum |
| ISFF | Independent Simpsons and Futurama Forum |
| ITDF | International Tax Directors Forum |
| ITF | International Transport Forum's |
| ITLF | Indigenous Tribal Leaders' Forum |
| ITPF | International Tax Policy Forum |
| IWRF | International Water Regulators Forum |