Football clubs dissolved or disbanded in 2020.
AC Kajaani—Dissolved in 2020—2006
ATK—Dissolved in 2020—2014
Acaxees de Durango—Dissolved in 2020—2020
Akademiya Osh—Dissolved in 2020—2018
Albalonga—Dissolved in 2020—1960
Albuquerque Sol—Dissolved in 2020—2013
Ani—Dissolved in 2020—2019
Ano Meras—Dissolved in 2020—1989
Aragats Ashtarak—Dissolved in 2020—2019
Ararat—Dissolved in 2020—2017
Arroceros de Calabozo—Dissolved in 2020—2009
Atlanta SC—Dissolved in 2020—2007
Atlantas—Dissolved in 2020—1962
Atletico Chiuduno Grumellese—Dissolved in 2020—2019
Atlético Ensenada—Dissolved in 2020—2020
Atlético Jalisco—Dissolved in 2020—2020
Atlético Reynosa—Dissolved in 2020—2012
Aydınspor 1923—Dissolved in 2020—2009
Ağsu—Dissolved in 2020—2012
BCC—Dissolved in 2020—1997
BTU United—Dissolved in 2020—2016
Babel United—Dissolved in 2020—2019
Baberwa—Dissolved in 2020—UNK
Barrack Young Controllers—Dissolved in 2020—1997
Barrio NS Remedios—Dissolved in 2020—UNK
Bassa—Dissolved in 2020—1999
Beijing Renhe—Dissolved in 2020—1995
Bidvest Wits—Dissolved in 2020—1921
Bidvest Wits Youth—Dissolved in 2020—UNK
Blue Boys Muhlenbach—Dissolved in 2020—1932