ClubLocationLeagueTierFounded
Satun United—Dissolved 2022—1998
Septemvri Tervel—Treta Liga - North-East—1998
Shahrdari Ardabil—Iranian League 4—1998
Shakhter Peshelan—Chempionat Nizhegorodskoy Oblasti—1998
Shenzhen Bogang—Shenzhen Super League—1998
Six-Fours Le Brusc—Régional 1 - Méditerranée—1998
Slutsk—Pershaya Liga Belarusi—1998
Sokół Aleksandrów Łódzki—III Liga - Grupa I—1998Spartak Chukotka—Dissolved 2000—1998
Sport Barueri——1998
Sporting Accra—Division Two League - GARFA—1998
Square Boys United——1998
St. Louis Steamers [1998]—Dissolved 2006—1998
Sturm Graz II—Regionalliga Mitte—1998
Szeged LC—Dissolved 2000—1998
Tacuarembó—Segunda División Profesional—1998
Tampere United—Ykkönen—1998
Tempo Overijse—Belgian Division 3 - VV A—1998
Textil Mandiyú—Dissolved 2016—1998
Thriambos Analipsis—Dissolved Inactive—1998
Toin University of Yokohama—Kanto University Soccer League - Division 1—1998
Tomiris—Dissolved 1999—1998
Ulaanbaataryn Mazaalaynuud—Mongolian 1st League—1998
Ulsan Hyundai Mipo Dolphin—Dissolved 2016—1998
Union 60 Bremen—Bremen-Liga—1998
Universidad Las Palmas B—Dissolved 2011—1998União ABC—Campeonato Sul-Mato-Grossense - Série B—1998Vannes—National 3—1998
Viitorul Târgu Jiu—Dissolved 2024—1998Villacañas—Tercera Federación - Grupo 18—1998