Records starting with S
- Saxons Orienteering Club
- Segas Sailing Club
- Sherwood Cricket Club
- Shi Kon Martial Arts
- Shizendo Martial Arts Club
- Silver Blades Gillingham Ice Hockey
- Soar Trampoline Park
- Southern Co-Ed Roller Derby Club (Apex Predators)
- Southern Counties Amateur Boxing
- St Mary's Amateur Boxing Club
- Strood Amateur Boxing Club
- Strood Volleyball Club