| Acronym | Definition |
|---|
| MFB | Monochrome Frame Buffer |
| MFB | Melamine Faced Board (wood product) |
| MFB | Metropolitan Fire Brigade (Australian non-volunteer) |
| MFB | Michigan Farm Bureau |
| MFB | Metropolitan Fire and Emergency Services Board (Melbourne, Australia) |
| MFB | Medial Forebrain Bundle |
| MFB | Micro Finance Bank |
| MFB | Millat Facebook (social network site alternative) |
| MFB | Multifunction Button |
| MFB | Missouri Farm Bureau |
| MFB | Matched Filter Bound |
| MFB | Minnesota Farm Bureau |
| MFB | Maryland Farm Bureau |
| MFB | Metal Fight Beyblade (anime) |
| MFB | Mean Fractionalized Bias |
| MFB | Mush for Brains |
| MFB | Massachusetts Film Bureau |
| MFB | Mozilla Firebird (browser) |
| MFB | Merge from Branch (software versioning) |
| MFB | Minnesota Freedom Band (Minneapolis, MN) |
| MFB | Maintenance Free Battery |
| MFB | Material Fielding Plan |
| MFB | Microwave Fluidized-Bed |
| MFB | Mittelstand und Freiberufler (category of small businesses in Austria) |
| MFB | Montevina Fume Blanc (Wine) |
| MFB | Miss Fussy Britches |
| MFB | Maryknoll Fathers and Brothers (Maryknoll, New York) |