FIK
| 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 |