League (non-profit), League, Super League, Isthmian League, Sports league, J.League, Prospect League, A-League Men, I-League, J1 League, FAO League, Nadeshiko League, Rugby league county leagues, Southern Football League, K League, League of Ireland, American League, English Football League, Premier League, NBA G League, Little League Baseball, ABA League, List of Minor League Baseball leagues and teams, RFL League One, Central League, Rugby Leaguer & League Express, Minor league, International League, California League, NBA Summer League, I-League 2, Justice League, EFL League One, Capital League, Professional Development League, Pacific League, Non-League football, Singapore Premier League, EFL League Two, Northern Ireland Football League, Federal League

Southeastern League, P. League+, Justice Leagues, UEFA Champions League, Negro league baseball, I-League 3, UEFA Conference League, Iraq Stars League, V.League (Japan), Peloponnesian League, Northern Football League, Wessex Football League, Galway & District League, Swiss Super League, Saudi Pro League, Swiss Challenge League, Chūgoku Soccer League, Persian Gulf Pro League, Arena Football League, League of Legends, National League (English football), Northern Premier League, A-League Women, SPFL Development League, Super League (Australia), State League South Australia, A-League Youth, China League One, Football NSW League, Midlands Rugby League, Thai League 4, Junior League, Qatar Stars League, Connecticut League, Minor League Baseball, Schmalkaldic League, Thai League 1, Achaean League, Metropolitan League, Southern League (1964–present), Arab League, Scottish National League (rugby league), UAE Pro League, K League 1, SV.League, Central Baseball League, Illinois–Indiana–Iowa League, Chinese Super League, UEFA Nations League, Azadegan League

League (non-profit), League, Super League, Isthmian League, Sports league, J.League, Prospect League, A-League Men, I-League, J1 League, FAO League, Nadeshiko League, Rugby league county leagues, Southern Football League, K League, League of Ireland, American League, English Football League, Premier League, NBA G League, Little League Baseball, ABA League, List of Minor League Baseball leagues and teams, RFL League One, Central League, Rugby Leaguer & League Express, Minor league, International League, California League, NBA Summer League, I-League 2, Justice League, EFL League One, Capital League, Professional Development League, Pacific League, Non-League football, Singapore Premier League, EFL League Two, Northern Ireland Football League, Federal League, Southeastern League, P. League+, Justice Leagues, UEFA Champions League, Negro league baseball, I-League 3, UEFA Conference League, Iraq Stars League, V.League (Japan), Peloponnesian League, Northern Football League, Wessex Football League, Galway & District League, Swiss Super League, Saudi Pro League, Swiss Challenge League, Chūgoku Soccer League, Persian Gulf Pro League, Arena Football League, League of Legends, National League (English football), Northern Premier League, A-League Women, SPFL Development League, Super League (Australia), State League South Australia, A-League Youth, China League One, Football NSW League, Midlands Rugby League, Thai League 4, Junior League, Qatar Stars League, Connecticut League, Minor League Baseball, Schmalkaldic League, Thai League 1, Achaean League, Metropolitan League, Southern League (1964–present), Arab League, Scottish National League (rugby league), UAE Pro League, K League 1, SV.League, Central Baseball League, Illinois–Indiana–Iowa League, Chinese Super League, UEFA Nations League, Azadegan League, Western League (1885–1899), Kings League, R League, Malaysia Premier League, Atlantic League of Professional Baseball, B.League, Rugby League Conference, Baller League, Mayo Association Football League, Delian League, Japan Diamond Softball League, Scottish Football League, Malaysian League, Brisbane Rugby League premiership, UEFA Europa League, Youth League (India), Cheshire Association Football League, Ceredigion League, Fiji Premier League, League of Assassins, Kenyan Premier League, Iranian football league system, International Rugby League, 2019–20 National League, 2020–21 National League, Cambodian Premier League, Wartime League, Western Football League, Catholic League (German), 2005–06 Football League, Aetolian League, Guam Soccer League, League of Women Voters, Scottish League Two, West Midlands (Regional) League, Diamond League, Kentucky–Illinois–Tennessee League, 2010–11 Premier League, Yorkshire Men's League, Venezuelan Summer League, Thai Women's League, Shropshire Premier League, Big League, FK-League, Wiltshire Football League, 2017–18 National League, List of League of Legends leagues and tournaments, Scottish League Championship, Texas Colored League, Awami League, Northwoods League, League of Prizren, Athenian League, Lebanese Premier League, China League Two, Serbian League, Mandak League, 1891–92 Football League, J3 League, League of the South