ClubLocationLeagueTierFounded
Khaan Khuns Titem—Dissolved 2020—2008
King Fung—Dissolved 2020—2011
Kryvbas Kryvyi Rih-2—Dissolved 2020—UNKKryvbas Kryvyi Rih-3—Dissolved 2020—UNK
Körfez—Dissolved 2020—1995
Langenegg—Dissolved 2020—1962
Liakhvi Tskhinvali—Dissolved 2020—2007
Liaoning FC—Dissolved 2020—1953
Lider-Chempion—Dissolved 2020—2020
Limerick—Dissolved 2020—1937
Limoges—Dissolved 2020—1947
Lobos Zacatepec—Dissolved 2020—2020
Lokomotiv Daugavpils—Dissolved 2020—UNK
Lokomotiv Yerevan—Dissolved 2020—2002Los Cabos—Dissolved 2020—2020
Luch—Dissolved 2020—1958
Luftëtari—Dissolved 2020—1929
Lusitanos—Dissolved 2020—1999
MULO—Dissolved 2020—1915
Maccabi Ironi Kiryat Ata—Dissolved 2020—2000Maccabi Kiryat Gat—Dissolved 2020—1961
Macclesfield Town—Dissolved 2020—1874
Malaita Kingz—Dissolved 2020—1990Manavgatspor—Dissolved 2020—2009
Mariekerke—Dissolved 2020—1954Masis—Dissolved 2020—2019Mattersburg—Dissolved 2020—1922Mattersburg II—Dissolved 2020—1922
Maungkhon WU—Dissolved 2020—2018
Mawjhai Amu—Dissolved 2020—2012