League One or League 1 may refer to:

Association football

EFL League One The English Football League One, known as Sky Bet League One for sponsorship reasons, or simply League One, is a professional association football league in England. EFL League One is the second-highest division of the English Football League an ...

, the third tier of football in England. *

China League One The Chinese Football League 1 (), also known as China League One or Chinese Jia League (), is the second level of professional football in China, under the Chinese Super League. The league is under the auspices of the Chinese Football Association ...

, the second tier of football in China *

K League 1 The K League 1 () is a professional association football league in South Korea and the highest level of the South Korean football league system. The league is contested by twelve clubs. It is one of the most successful leagues in the Asian Foo ...

, the top-tier football in South Korea * Lao League 1 * League1 British Columbia, semi-professional regional league in Canada *

League1 Ontario League1 Ontario (L1ON) is a semi-professional men's soccer league in Ontario, Canada. The league is sanctioned by the Canadian Soccer Association and the Ontario Soccer Association. League1 Ontario consists of three tiers – League1 Premier ...

, semi-professional regional league in Canada ** League1 Ontario (women), semi-professional women's regional league in Canada *

Scottish League One The Scottish League One, known as William Hill (bookmaker), William Hill League One for sponsorship reasons, is the third tier of the Scottish Professional Football League, the league competition for men's professional association football, foot ...

, the third tier of football in Scotland * Thai League 1, the top tier of football in Thailand *

USL League One USL League One (USL1) is a professional men's association football, soccer league in the United States that had its inaugural season in 2019 USL League One season, 2019. The United States soccer league system, Division III league is operated ...

, a third-tier soccer league in the United States

Rugby

RFL League One The Rugby Football League's League One (known as the Betfred League One) is the third-highest division of rugby league in British rugby league system, Britain. It is also the lowest level of professional rugby league in Britain. Introduced in ...

, the third tier of rugby league in Europe *

National League 1 National One, up until 2023 known as National League 1 and previously known before September 2009 as National Division Two), is the third of three national leagues in the domestic rugby union competition of England. It was known as Courage Lea ...

, the third tier of rugby union in England

Association football

Rugby

See also