| Acronym | Definition |
|---|
| FMK➣Flush Mount Kit (electronics) |
| FMK➣Fortran Make File |
| FMK➣Fluoromethyl Ketone |
| FMK➣FM (Frequency Modulation)-Kumamto (Japan) |
| FMK➣Folkereisning Mot Krig (Norwegian: People Rising Anti-War) |
| FMK➣For My Kountry (firearms distributor; Placentia, CA) |
| FMK➣Fredericia Motor Klub (Danish: Fredericia Motor Club; est. 1945; Fredericia, Denmark) |
| FMK➣Freiheitlicher Motorrad Klub (Austria) |
| FMK➣Field Marshalling Kiosk |