| Abbreviation | Definition |
|---|---|
| IFMSA | International Federation of Medical Student Associations |
| IFMSA | International Federation of Medical Students Associations |
| IFMSA | International Federation of Medical Students Assotiations |
| IFNC | Insurance Federation of North Carolina |
| IFOCE | International Federation of Competitive Eaters |
| IFOR | Illinois Federation For Outdoor Resources |
| IFOS | International Federation of Ophthalmological Societies |
| IFP | International Federation of Pedestrians |
| IFP | International Federation of Pickleball |
| IFPI | International Federation Of Phonographic Industries |
| IFPS | The Irish Federation Of Personnel Services |
| IFPSM | International Federation of Purchasing and Supply Management |
| IFPSM | International Federation of Purchasing Supply Management |
| IFR | International Federation of Robotics |
| IFRS | International Federation of Reporting Services |
| IFS | International Federation of Settlements |
| IFSA | International Federation of Strength Athletes |
| IFSM | International Federation of Societies for Microscopy |
| IFSSD | International Federation of Societies on Skeletal Diseases |
| IFT | International Federation of Translators |