ClubLocationLeagueTierFounded
Moravac Orion—Inactive—1947
Moroka Swallows—Inactive—1947
Mosul—Iraq Stars League—1947
Myszków—IV Liga - Śląskaa—1947
NA Hussein Dey—Algerian Ligue Professionnelle 2—1947
NK Vitez—Druga Liga FBiH - Zapad—1947
Nacional-PR—Campeonato Paranaense - Segunda Divisão—1947Naša Krila—Dissolved in 1950—1947
Neftyanik Ufa—Dissolved in 2006—1947
New York Ukrainians—CSL - Division 1—1947North Carolina Tar Heels—NCAA Division I—1947
Novigrad—Dissolved in 2022—1947
O Elvas—Campeonato de Portugal - Série D—1947
OJC Rosmalen—Vierde Divisie—1947OM Arzew—Régional 1 - Oran—1947
Odysseas Kordeliou—EPS Makedonias - B—1947
Olympic Zawiya—Libyan Premier League—1947Omladinac Novi Banovci—Srpska Liga Vojvodina—1947
Once Caldas—Categoría Primera A—1947
Ontinyent—Dissolved in 2019—1947Osijek—HNL—1947Oude Maas—Dissolved in 2018—1947PAO Rouf—EPS Athinon - A—1947Penarol—Inactive—1947
Plopeni—Liga III—1947Podravac Sopje—1. ŽNL Virovitica-Podravska—1947
Portet CR—Régional 1 - Occitanie—1947Poseidon Neas Michanionas—Gamma Ethniki - Group 2—1947Praiense—Campeonato de Futebol dos Açores—1947
Preston Lions—NPL Victoria—1947