| Abbreviation | Definition |
|---|---|
| FIJLKAM | Federazione Italiana Judo Lotta Karate Arti Marziali |
| FKTC | Federasiwn Karate Traddodiadol Cymru (Welsh Traditional Karate Federation) |
| FRK | Fushin Ryu Karate |
| FSK | Federation of Shotokan Karate |
| FSK | Frontier School of Karate |
| FSK | Frontier Schools of Karate |
| FSK | Full Sport Karate |
| GKK | Goju Kai Karate |
| GKTA | Gojudo Karate Training Academy |
| HCK | Hill Country Karate |
| HKK | Higashi Karate Kai |
| HKKS | Holstebro Karate Klub Shotokan |
| HKKS | Hrvatski Kyokushin Karate Savez |
| IFK | International Federation of Karate |
| IFKK | International Federation of Kyokushin Karate |
| IFKK | International Federation of Kyokushinkaikan Karate |
| IK | International Karate |
| IKC | International Karate Championships |
| IKD | International Karate Daigaku |
| IKF | Inclusive Karate Federation |