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