ClubLocationLeagueTierFounded
SM Caen—Ligue 3—1913SO Cholet—Régional 3 - Pays de la Loire—1913SO Cholet B—Départemental 1 - Maine-et-Loire—1913
Sant Celoni—Dissolved in 2016—1913
Santa Cruz-RS—Campeonato Gaúcho - Série A—1913
Santamarina—Torneo Federal A—1913
Seregno—Inactive—1913Sestese-SC—Eccellenza Lombardia—1913
Slavia Sofia—Balgarska Parva Liga—1913
Slovan—2. SNL—1913
Smögens IF—Division 5 Bohuslän/Dalsland Södra—1913Spes—Dissolved in 1931—1913
Sportfreunde Katernberg—Dissolved in 2017—1913Sportivo Barracas—Primera C—1913
Sportivo Jorge Chávez—Dissolved in 1969—1913
Stade Dudelange—Dissolved in 1991—1913
Stadlau—Wiener Stadtliga—1913
Szentesi Kinizsi—MB I - Csongrád-Csanád—1913São Bento—Campeonato Paulista - Série A2—1913São José-RS—Campeonato Gaúcho - Série A—1913