| Acronym | Definition |
|---|
| MFOS➣Music from Outer Space |
| MFOS➣Maxilofacial and Oral Surgery (Wits University; South Africa) |
| MFOS➣Mongolian Foundation for Open Society (Soros Foundation) |
| MFOS➣Multi-Functional Optical System |
| MFOS➣Multi-Function Operation System (Operations Support System) |
| MFOS➣Mixed Function Oxygenase System (cell research enzymes) |
| MFOS➣Multi-Functional Operator's Seat (military helicopters) |
| MFOS➣Mixed Function Oxidases System (cell research enzymes) |