ClubLocationLeagueTierFounded
Spezia Primavera—Campionato Primavera 2—1906
Sporting CP—Primeira Liga de Portugal—1906Stresa Vergante—Eccellenza Piemonte-Valle d'Aosta—1906
Svendborg fB—Dissolved 2008—1906
SÍF—Dissolved Inactive—1906
TSU Tbilisi—Dissolved 2004—1906
Talleres-RE—Primera B Metropolitana—1906
Terrassa—Segunda Federación - Grupo 3—1906Torino—Serie A—1906
Trasandino—Segunda División de Chile—1906
Trossingen—Bezirksliga Schwarzwald—1906
TuPy—Nelonen - Länsi A—1906TuS Neetze—Landesliga Lüneburg—1906Valenzana Mado—Eccellenza Piemonte-Valle d'Aosta—1906
Velké Meziříčí—Divize D—1906VfL Benrath—Kreisliga A Düsseldorf—1906VfR Kaiserslautern—Bezirksliga Westpfalz—1906
Vidar—3. Divisjon - Group 3—1906Viktoria Griesheim—Hessenliga—1906Virtus Spezia—Dissolved UNK—1906
Vittoriosa Stars—Maltese Amateur League—1906
Vänersborgs IF—Division 2 Norra Götaland—1906
Wacker Wien—Oberliga A - Wien—1906
Warrington Rylands 1906—Northern Premier League - Premier Division—1906
Western Suburbs—Central League—1906
Wisła Kraków—I Liga—1906Yate Town—Southern League - Division One South—1906
Ypiranga-BA—Dissolved Inactive—1906Ypiranga-SP——1906Zagłębie Sosnowiec—II Liga—1906