Sports league
group of sports teams or individual athletes that compete against each other
Iron and Oil League
Premier Lacrosse League
Freedom Football League
Pacific Pro Football
Turkish Women's Third Football League
Outer East Football Netball League
Women's Water Polo First League
Island Soccer League
Rwanda Women's Football League
Israeli Football League
Ithaca League of Women Rollers
Ivy Rugby Conference
J3 League
Jackson League
Japan Football League
Japan Handball League
Basketball Africa League
Lebanese Women's Football League
Jordan Premier Basketball League
Junior, Senior & Big League Baseball
Junior League World Series
Hockey One
Kangaroo Island Football League
Kansai Big Six Baseball League
Kansas State League
Karnataka Premier League
Kenyan County League
Kenyan District League
Kenyan Nationwide League
Kenyan Provincial League
Kenyan Women's Premier League
Khartoum League
National Hockey Association
Elite Ice Hockey League
Kuwaiti Division One
Kyrgyzstan Futsal League
King's Cup (basketball)
Laois All-County Football League
Premier Ultimate League
League Alliance
Midland Football League
League of the Institutes
Legends Classic
Leicester and District Football League
Leinster Senior League
Leinster Senior League
Leinster Senior League Senior Division
Leisure Leagues
Limerick Desmond League
Lincolnshire Cricket Board Premier League