The Third League of Montenegro (Montenegrin: Treća Crnogorska Liga / Трећа црногорска лига) is the third and lowest-tier football league in Montenegro. It is headed by the regional unions of the Football Association of Montenegro (Union of the clubs - North, Union of the clubs - Center, Union of the clubs - South), under the Football Association of Montenegro. In the 2020-21 season, 30 teams participated, divided into three regions. The top team from each region qualifies for the playoff from which the top team qualify for the Second League of Montenegro. History Regional leagues as a lowest-tier competition in Montenegro, were founded in 1968. The format and system of competition has not changed. From 1968 to 2006, it was the fourth or fifth level of competition in SFR Yugoslavia, FR Yugoslavia and Serbia and Montenegro. Following Montenegrin independence (2006), regional leagues became the third tier in the organisation of domestic football competitions. From 1968 until now, the league is divided on three regions - North (clubs from territories of Berane, Bijelo Polje, Gusinje, Mojkovac, Petnjica, Plav, Pljevlja, Rožaje and Žabljak) Center (Podgorica with Golubovci and Tuzi, Danilovgrad, Kolašin, Nikšić, Plužine and Šavnik) and South (Bar, Budva, Cetinje, Herceg Novi, Kotor, Tivat and Ulcinj). At period 1961–2006, winners of three regional leagues were promoted to Montenegrin Republic League (3rd tier) or played Montenegrin football playoffs. Champions (2006-) After independence of Montenegro, regional leagues, with the same format and divisions, became Third League, and also a lowest tier of competition. At the end of season, champions of each region qualifies for the playoff. Every season, two top teams from playoff are qualified for the Second League. Below is the list of Montenegrin Third League champions. Key Full list of champions of regional leagues before 2006, is available on the page Montenegrin clubs in Yugoslav football competitions (1946-2006). Complete team list From 2006, 57 different teams played in Montenegrin Third League. This is the complete list of the clubs that took part in 15 seasons played from 2006-07 to 2020-21, ranked by champion titles won in the Third League. Ssn = Number of seasons; First = First season in Third League; Last = Last season in Third League; 1st = finishing as a champion of region; 2nd = finishing as a runner-up; 3rd = finishing as a third-placed team Final placement by season North Since its establishing, in Montenegrin Third League -