ClubLocationLeagueTierFounded
Shamoushak—Dissolved 2013—1991
Shaw Lane—Dissolved 2018—1991
Shimizu S-Pulse—J1 League—1991
Skonto—Dissolved 2016—1991
Sparti—Dissolved 2019—1991
Speranța Nisporeni—Dissolved Inactive—1991Spicul Chișcăreni—Dissolved 2017—1991Spicul Fălești—Dissolved 1998—1991
Sporting Colón—Dissolved 1994—1991Sporting Khalsa—Northern Premier League - Division One Midlands—1991
Srbija München—Bezirksliga Oberbayern Ost—1991
St. Louis Ambush [NPSL]—Dissolved 2000—1991
Sua Flamingoes—Botswana Premier League—1991
Sūduva B—II Lyga—1991
Tigrillos UANL—Dissolved 1999—1991
Titan Klin—Dissolved 2019—1991Tokyo Verdy—J1 League—1991Toros Neza—Liga Premier - Serie A—1991
Tłuchovia—IV Liga - Kujawsko-Pomorska—1991
USON Mondeville—Régional 2 - Normandie—1991Unisport-Auto—Dissolved 2005—1991
Valdez—Dissolved 1997—1991Vendée Fontenay Foot—National 3—1991
Venus Independența—Liga IV - Călărași—1991
Vilhena—Campeonato Rondoniense - 2ª Divisão—1991
Virtus Castelfranco—Eccellenza Emilia-Romagna—1991
Vukovar '91—Dissolved 2012—1991
Wikki Tourists—Nigeria Premier Football League—1991Wingate & Finchley—Isthmian League - Premier Division—1991Yakutiya—Dissolved 2016—1991