| Acronym | Definition |
|---|
| IOF➣Iron Ore Fines |
| IOF➣Institute of Fundraising (UK) |
| IOF➣International Osteoporosis Foundation (Switzerland) |
| IOF➣Imposto Sobre Operacoes Financeiras (Brazil) |
| IOF➣International Orienteering Federation |
| IOF➣Institute of Finance (various organizations) |
| IOF➣Israeli Occupation Force |
| IOF➣Industries of the Future (various locations) |
| IOF➣Inter Office Facility |
| IOF➣Input Output Facility |
| IOF➣Instant on Fusing |
| IOF➣Input Output File |
| IOF➣Interactive Output Facility |
| IOF➣Institute for Applied Optics and Precision Engineering |
| IOF➣Independent Order of Foresters |
| IOF➣Institute of Forestry (Nepal) |
| IOF➣Investor-Oriented Firm |
| IOF➣Initial Operating Facility |
| IOF➣Interactive Output Facility (US FEMA) |
| IOF➣Interim Operating Facility (US FEMA) |
| IOF➣International Oceanographic Foundation |
| IOF➣International Operation Forces (gaming clan) |
| IOF➣Indonesian Offroad Federation |
| IOF➣International Order of Foresters |
| IOF➣Inter Office Facilities |
| IOF➣I'm on Fire! (gaming) |
| IOF➣Infrared Optical Film |
| IOF➣Investment Opportunity Facility |
| IOF➣Indian Ordnance Factory (arms producer) |
| IOF➣International Osprey Foundation |
| IOF➣International Olympic Federations |
| IOF➣Inspection Observation Finding |
| IOF➣Intelligence and Operations Facility (digital command post) |