ClubLocationLeagueTierFounded
Limburgia—Dissolved 1998—1920
Lisleby—4. Divisjon - Østfold—1920
Lohausener SV—Bezirksliga Niederrhein—1920
Loughborough University—Northern Premier League - Division One Midlands—1920Loxwood—Southern Combination League - Premier Division—1920
Lozère—Régional 1 - Occitanie—1920
MSK Břeclav—Divize D—1920
Mabouya Valley—SLFA Island Cup - Premier League—1920
Maldegem—P3A Oost-Vlaanderen—1920
Mannswörth—Wiener Stadtliga—1920Marchfeld Donauauen—Regionalliga Ost—1920
Marsa—Maltese Challenge League—1920
Masnou—Segona Catalana—1920
Maxaquene—Campeonato Cidade de Maputo—1920Mettlach—Saarlandliga—1920
Mihai Viteazul Chișinău—Dissolved 1940—1920Minerul Lupeni—Liga III—1920
Mitchelton—Football Queensland Premier League—1920
Mogren—Dissolved 2016—1920
Monte Azul—Campeonato Paulista - Série A2—1920
Montecatini—Eccellenza Toscana—1920Morecambe—National League—1920
Muhafızgücü—Dissolved 1981—1920
Mykolaiv—Dissolved 2022—1920
MŠK Považská Bystrica—II. Liga—1920MŠO Štúrovo—V. Liga - ZsFZ Juhovýchod—1920
Nacional Benguela—Dissolved Inactive—1920Nationalkameratene—5. Divisjon - Trøndelag—1920Naxxar Lions—Maltese Premier League—1920
Nehaj—3. NL - Zapad—1920