| Acronym | Definition |
|---|
| FIK➣Federazione Italiana Karting (Italian: Italian Karting Federation; Roma, Italy) |
| FIK➣France Inde Karnataka (French humanitarian organization) |
| FIK➣Flying Insect Killer |
| FIK➣Flange Insulation Kit |
| FIK➣Federazione Italiana Kendo (Italian: Italian Kendo Federation; martial arts) |
| FIK➣Fluorescence Induction Kinetics (plant physiology) |
| FIK➣Fault Isolation Kit |