ClubLocationLeagueTierFounded
Red Black Pfaffenthal—1. Divisioun—2007
Red Bull Brasil—Dissolved in 2024—2007
Rocket City United—Dissolved in 2015—2007SC Steinfort—2. Divisioun—2007
SJK—Veikkausliiga—2007
STC Salgótarján—Dissolved in 2018—2007
Sagawa Shiga—Dissolved in 2012—2007
Saint-Louis Suns United—Seychelles Premier League—2007
Saku Sporting—II Liiga—2007
Sanaye Talaee Semna——2007Santa Cruz-RJ—Campeonato Carioca - Série C—2007
Santa Tecla—Dissolved in 2024—2007
Saulininkas—III Lyga—2007
Scarborough Athletic—National League North—2007Seattle Sounders—MLS—2007
Seoul Nowon United—Dissolved in 2025—2007
Serednie—Chempionat Zakarpatskoi Oblasti—2007
Shijiazhuang Tiangong—Dissolved in 2009—2007
Siem Reap—Cambodian League 2—2007Sinimustat—Dissolved in 2010—2007
Sintra—Dissolved in 2020—2007
Socio Águila—Dissolved in 2009—2007Solihull Moors—National League—2007
Sollentuna IF—Dissolved in 2012—2007
Somos Olímpico—Copa Perú—2007
Spartaks Jūrmala—Inactive—2007Sport Huancayo—Liga 1 Peruana—2007
Sport West—Dissolved in 2017—2007
Sporting Fingal—Dissolved in 2011—2007
Sportul Șimleu Silvaniei—Inactive—2007