ClubLocationLeagueTierFounded
Mineros de Guayana—Segunda División Venezolana—1981
Missouri State Bears—NCAA Division I—1981
Monticelli—Promozione Marche—1981
Montreal Manic—Dissolved 1983—1981
Muktijoddha Sangsad—Dissolved Inactive—1981
Mutondo Stars—Zambian Super League—1981
Mérida Promesas Nueva Ciudad—Primera Extremeña—1981New Jersey Rockets—Dissolved 1982—1981
Niarry Tally—Ligue 2—1981
Odiáxere—AF Algarve - 1ª Divisão—1981
Oldbury Athletic—Dissolved 2010—1981
Oppuurs—P1 Antwerpen—1981Polimnia—Eccellenza Puglia—1981
Polyacryl—Dissolved UNK—1981
Portugaise Joué-lès-Tours—Régional 2 - Centre-Val de Loire—1981
Pouma——1981
Primeiro de Maio—Campeonato Provincial Angolano - Benguela—1981
Puuma—II Liiga—1981
Renown—Sri Lanka Super League—1981Rochester Flash—Dissolved 1984—1981
Rànger's—Primera Divisió Andorrana—1981
Salalah SC—Oman First Division—1981San Marzano—Serie D - Girone G—1981San Miniato—Prima Categoria Toscana—1981
Sarayköy 1926—Dissolved 2020—1981
Seaqaqa—Fiji Senior League—1981Shahid Oraki—Dissolved Inactive—1981
Shakhtar Makiyivka—Dissolved 200?—1981
Solomon Warriors—Telekom S-League—1981
Sportclub NEC—Eerste Klasse—1981