ClubLocationLeagueTierFounded
Rosario FC—Dissolved in 2019—2015
Royal——2015
Royal Thanlyin—Dissolved in 2019—2015
Rustavi—Erovnuli Liga 2—2015
SAB Spartans—GFA Premier Division—2015
SG Auernheim/Neresheim—Kreisliga B4 Ostwürttemberg—2015
Salisbury FC—National League South—2015
Salitas—Burkinabé Première Division—2015
San Francisco Deltas—Dissolved in 2017—2015
Santa Marta—AF Vila Real - Divisão de Honra—2015
Santa Rita de Cássia—Girabola—2015
Santa Rosa—Segunda División Salvadoreña—2015
Santos Laguna Premier—Dissolved in 2018—2015
Seriole—Okinawa Soccer League - Division 1—2015
Sevlievo—Treta Liga - North-West—2015
Sharurspor—Dissolved in 2017—2015
Shenzhen Ledman—Dissolved in 2018—2015
Siheung City—K4 League—2015
Simork—Dissolved in 2019—2015SoCal Surf—Dissolved in 2018—2015
Spezzano Albanese—Prima Categoria Calabria—2015Sporting Kansas City II—MLS Next Pro—2015
Sreenidi Deccan—I-League—2015
St George City—NPL NSW—2015
Struga—1. MFL—2015
TS Galaxy—South African Premiership—2015
Tabuan Muda—Dissolved in 2020—2015
Taiarapu—Tahiti Ligue 1—2015
Tasman United—Dissolved in 2020—2015Thonburi United—Thai League 3 - Bangkok Metropolitan Region—2015