| Abbreviation | Definition |
|---|---|
| SKATE | Skaters Keep Achieving Through Education |
| SKBF | Swiss Kick Boxing Federation |
| SKC | Sacramento Kings Coverage |
| SKC | Sauvegarde Karaté Club |
| SKC | Seattle Karting Club |
| SKC | Shidokan Kendo Club |
| SKC | Southend Koi Carp Centre, Essex, United Kingdom |
| SKD | Shotokan Karate-do |
| SKE | Speed Skier Extreme |
| SKF | Shotakan Karate Fighters |
| SKF | Svenska Konståkningsförbundet ( Swedish Figure Skating Association) |
| SKFE | Super-Kill Fire ant Exterminator |
| SKI-USF | Shotokan Karate International-United States Federation |
| SKM | Skimmer |
| SKO | Sport Karate Open |
| SKR | Saskatoon Kart Racers |
| SKR | Shin Kai Racing |
| SKU | Segel-Kameradschaft Unterbacher See |
| SKU | Slovak Karate Union |
| SKU | Super Kart Unifier |