MFJ
| Acronym | Definition |
|---|---|
| MFJ | Meta Font Job |
| MFJ | Modified of Final Judgment |
| MFJ | Maison Franco-Japonaise (French: Franco-Japanese House; Japan) |
| MFJ | Married Filing Jointly |
| MFJ | Modified Final Judgment |
| MFJ | Millennium Film Journal (est. 1977) |
| MFJ | Motorcycle Federation of Japan (motorcycle racing) |
| MFJ | Martin F. Jue (founder of MFJ Enterprises, Inc.) |
| MFJ | Melbourne Fine Jewellery (trade show; Australia) |
| MFJ | March for Justice (social activism) |