English abbreviations from ifmsa to ifs
- IFMSA (International Federation of Medical Students' Associations)
- IFN (Esfahan Shahid Beheshti International Airport)
- IFNA (International Federation Netball Association)
- IFO (Identified Flying Object (see also UFO))
- IFOA (International Festival Of Authors)
- IFOB (International Friends Of Belize)
- IFOG (Interferometric Fiber Optic Gyro)
- IFOR (The International Fellowship of Reconciliation)
- IFOV (Instantaneous Field of View)
- IFP (Laughlin/Bullhead International Airport)
- IFPA (Intermediate-Frequency Pre-Amplifier)
- IFPI (International Federation of Phonographic Industries)
- IFPRI (International Food Policy Research Institute)
- IFQT (Informal Qualification Test)
- IFR (Instrument Flight Rules)
- IFRAC (The Israel Fathers Rights Advocacy Council)
- IFRB (International Frequency Registration Board)
- IFRC (International Federation of Red Cross and Red Crescent Societies)
- IFRS (International Financial Reporting Standard)
- IFS (Interchange File Separator)