ClubLocationLeagueTierFounded
Rio Preto—Campeonato Paulista - Série A3—1919
Rohožník—IV. Liga - BFZ—1919
Rossington Main—Northern Counties East League - Premier Division—1919
Rot-Weiß Leithe—Kreisliga B Bochum—1919Rotenburger SV—Landesliga Lüneburg—1919
Rovereto—Eccellenza Trentino-Alto Adige—1919
Rovinj—4. NL Rijeka—1919
Ruch Radzionków—IV Liga - Śląskaa—1919Rymer Rybnik—Klasa A - Rybnik—1919
Rätia Bludenz——1919SC Berndorf—1. Klasse Süd - Niederösterreich—1919SC Himberg—Gebietsliga Süd/Südost - Niederösterreich—1919SC Pfullendorf—Verbandsliga Südbaden—1919SG Telgte—Bezirksliga Westfalen—1919
SR Colmar—National 2—1919
SUB Sønderborg——1919SV Braunau—Dissolved in 2002—1919Salernitana—Serie C - Girone C—1919
San Lorenzo Esperanza—Liga Esperancina de Fútbol—1919
San Luis de Quillota—Primera B de Chile—1919Sarreguemines—National 3—1919Saviglianese—Prima Categoria Piemonte-Valle d'Aosta—1919
Scheveningen—Derde Divisie—1919Sedan—Régional 3 - Grand Est—1919
Sekondi Eleven Wise—Division Two League - WRFA—1919
Selbak—5. Divisjon - Østfold—1919Selby Town—Northern Counties East League - Division One—1919Senden—Inactive—1919Sestrese—Promozione Liguria—1919Sestri Levante—Serie C - Girone B—1919