- MFO
- Multinational Force and Observers (Governmental » Military)**** Mixed Function Oxidase (Medical » Human Genome)* Multinational Force Observers (Governmental » Military)* Manguna, Papua New Guinea (Regional » Airport Codes)* Mr Fixit Online (Business » Firms)* Mr Fixit Online (Community)* Massachusetts Film Office (Community)* Men's Foil Open (Fencing) (Community » Sports)* MedFlight of Ohio (Community » Non-Profit Organizations)
Abbreviations dictionary. 2012.