British football team: s
- S.S. Lazio
- SC Freiburg
- SC Heerenveen
- Scunthorpe United
- Sevilla FC
- Sheffield United
- Sheffield Wednesday
- Shrewsbury Town
- Sibir Novosibirsk
- Southampton
- Southend United
- Sparta Rotterdam
- Spartak Moskva
- Spartak Nalchik
- SSC Napoli
- Stade Rennais FC
- Stevenage
- Stockport County
- Stoke City
- Sunderland
- SV Werder Bremen
- Swansea City
- Swindon Town