- Severn AC
- Severnside Nuclear YFC
- Shap FC
- Sharpness AFC
- Shrivenham FC
- Soudley AFC
- Southside Star FC
- SpeedProject Training
- Sport Eduction Swim School
- Staplehurst Monarchs FC
- Staunton & Corse A.F.C.
- Stewkley FC
- Stonesfield FC
- Streetly Dragons FC
- Stroud Sharks Basketball Club
- Sungate FC
- Surrey Scorchers
- Swadlincote Town FC
- Swindon Supermarine FC
- Swindon Supermarine Youth FC
- Tewkesbury Swimming Club
- Thornton Cleveleys RUFC
- Thornwell Red & White FC
- Twyning Tigers FC
- Viney St. Swithins FC