| Acronym | Definition |
|---|
| IFO | InFOrmation (file extension format for DVD burning) |
| IFO | Inova Fair Oaks (hospital; Virginia) |
| IFO | In Front Of |
| IFO | Integrated Financial Operations |
| IFO | Institute of Financial Operations (Orlando, FL) |
| IFO | Information File |
| IFO | Identified Flying Object |
| IFO | Indian Forensic Organisation |
| IFO | Intermediate Fuel Oil (used in maritime industry to designate a fuel grade) |
| IFO | Independent Football Ombudsman (UK) |
| IFO | Institut für Wirtschaftsforschung An der Universität München (German: Institute for Economic Research at the University of Munich) |
| IFO | Integrated Finance Organization |
| IFO | Income From Operations |
| IFO | International Fighting Organization (mixed martial arts) |
| IFO | International Field Office (FAA) |
| IFO | Information Systems Office (various locations) |
| IFO | International Forensic Organization (India) |
| IFO | Intensive Field Observation |
| IFO | Institut for Forskning I Idræt og Folkelig Oplysning (Denmark) |
| IFO | Incident Free Operations (industry goal) |
| IFO | International Financial Organization |
| IFO | Information For Offerers |
| IFO | Integral Part of the Relative Frequency Offset Equation |
