| Abbreviation | Definition |
|---|---|
| CSKB | Club Sportiv Kosmos Bucuresti |
| CSKC | Chief Solano Kennel Club |
| CSKC | Colchester Shotokan Karate Club |
| CSKC | Cold Spring Kayak Club |
| CSKC | Colorado Springs Kennel Club |
| CSLG | Club de sport et de loisirs de la Gendarmerie |
| CSLG | Club Sportif et des Loisirs de la Gendarmerie |
| CSLM | Club Sportif Le Mouret |
| CSMBC | Carrum Sailing and Motor Boat Club |
| CSMBC | Colorado Springs Mountain Biking Club |
| CSMDC | Central States Miniature Donkey Club |
| CSMO | Club de ski Mont Orford |
| CSNC | Camberwell South Netball Club |
| CSNL | Club Sophia Nordic Link |
| CSO | Club Safeguarding Officer |
| CSRC | Civil Service Riding Club |
| CSSC | Calgary Sport and Social Club |
| CSSC | Central Susquehanna Soccer Club |
| CSSC | Charleston Sports and Social Club |
| CSSC | Chicago Sport and Social Club |