League (non-profit)
League
Super League
Isthmian League
Sports league
A-League Men
J.League
FAO League
Prospect League
J1 League
Nadeshiko League
Rugby league county leagues
League of Ireland
I-League
Southern Football League
K League
English Football League
NBA G League
ABA League
RFL League One
Rugby Leaguer & League Express
List of Minor League Baseball leagues and teams
Little League Baseball
Professional Development League
International League
Premier League
NBA Summer League
Singapore Premier League
Minor league
EFL League One
American League
California League
Justice League
Capital League
Non-League football
I-League 2
EFL League Two
Negro league baseball
Federal League
Southeastern League
Iraq Stars League
UEFA Conference League
United Soccer League
V.League (Japan)
A-League (1995–2004)
P. League+
Midlands Rugby League
National League (English football)
A-League Youth
League of Legends
Northern Football League
State League South Australia
SPFL Development League
Minor League Baseball
Justice Leagues
Schmalkaldic League
Wessex Football League
Northern Premier League
Central League
Thai League 4
Thai League 1
Chūgoku Soccer League
Qatar Stars League
Super League (Australia)
Achaean League
J3 League
Football NSW League
Persian Gulf Pro League
Malaysian League
A-League Women
Arab League
China League One
Metropolitan League
K League 1
Central Baseball League
Arena Football League
Southern League (1964–present)
I-League 3
UEFA Nations League
Fiji Premier League
J2 League
UAE Pro League
Saudi Pro League
Swiss Super League
League of Nations
Northern Ireland Football League
Connecticut League
Malaysia Premier League
R League
UEFA Champions League
Pacific League
Scottish National League (rugby league)
Rugby League Conference
Cheshire Association Football League
Japan Diamond Softball League
UEFA Europa League
International Rugby League
Illinois–Indiana–Iowa League
Chinese Super League
Kenyan Premier League
SV.League
Wartime League
Atlantic League of Professional Baseball
Youth League (India)
Brisbane Rugby League premiership
Yorkshire Men's League
Lebanese Premier League
Catholic League (German)
Iranian football league system
Scottish League Two
Cambodian Premier League
Western League (1885–1900)
League of Assassins
Premier Volleyball League
Aetolian League
Shropshire Premier League
Mayo Association Football League
2020–21 National League
Independent baseball league
Scottish Football League
League of Women Voters
League of Prizren
Arizona Complex League
Texas Colored League
Nonpartisan League
Scottish League Championship
FK-League
Awami League
West Midlands (Regional) League
Big League
List of League of Legends leagues and tournaments
Diamond League
Ceredigion League
2005–06 Football League
1891–92 Football League
Galway & District League
Northwoods League
Kentucky–Illinois–Tennessee League
Mandak League
2010–11 Premier League
Victorian State League
Junior League
Serbian League
Wiltshire Football League
Maple League
Scottish League One
Florida Complex League
League of the South
Eastern Hockey League
2017–18 National League
Thai Women's League
2021–22 National League
League (China)
2004–05 Football League
Pakistan Super League
Central League (England)
China League Two
Hellenic Football League
Talent League
The League of Extraordinary Gentlemen
2006–07 Football League
First Federal Basketball League
Ohio League
Celtic League
YUBA League
Shikoku Island League Plus
2019–20 National League
British rugby league system
Ghana Premier League
Super League Greece
Union League
2007–08 Football League
B.League
Northwest League
Rugby League 2
Rwanda Premier League
Major League Baseball
Champions League Twenty20
KBO Futures League
2012–13 Premier League
RFL Women's Super League
Ivy League
South Atlantic League
Delian League
Jamaica Premier League
National League
Venezuelan Summer League
Pecos League
Istanbul Football League
Patriot League
Rugby Football League
Basketball League of Serbia
2022–23 National League
Greater Brisbane League
Eastern League (1938–present)
Georgia State League
Western Football League
Central League (1900)
2020 Nadeshiko League
Cambodian League 2