ClubLocationLeagueTierFounded
Snodland Town—Southern Counties East League - Premier Division—2012
Sofia Farmer—Ballymena & Provincial Football League—2012
Sollentuna United—Dissolved in 2013—2012
South United—BDFA Super Division—2012
Southern West Virginia King's Warriors—Dissolved in 2017—2012
Spoltore—Eccellenza Abruzzo—2012
Stand United—Tanzania Championship League—2012
Stoppen—5. Divisjon - Buskerud—2012Södertälje FK—Division 5 Södermanland—2012
TKKL——2012
Tabasalu—Dissolved in .—2012
Talanta—Kenyan National Super League—2012
Tapajós—Campeonato Paraense - Série B1—2012
Tecnofútbol—Dissolved in 2016—2012Tennessee SC—USL League Two - South Central Division—2012
Thimphu City—Bhutan Premier League—2012
Titan-ML—Medialiga—2012
Toofaan Harirod—Dissolved in 2020—2012
Topos de Reynosa—Dissolved in 2015—2012
Trat—Thai League 2—2012
Táborsko—FNL—2012Täby FK—Division 2 Norra Svealand—2012
UIDE—Dissolved in 2018—2012
UJA Maccabi Paris Métropole—Départemental 1 - Paris—2012
Ungheni—Dissolved in 2019—2012
Unia Bogaczowice—Klasa B - Wałbrzych—2012
Unisport—Première Division Togolais—2012
United City—Inactive—2012Valfoglia—Promozione Marche—2012
Varaždin—HNL—2012