1. Liga

In sports, 1. Liga, 1. liga, I Liga or Erste Liga may refer to:

Association football

• 1. Bundesliga, football league in Germany
• Latvian First League, (1. līga), football league in Latvia
• I liga, the second tier of the Polish football league system
• I liga (women's football), the second tier of the women's Polish football league system
• 1. Liga Promotion, the third tier of the Swiss football league system
• 1. Liga Classic, the fourth tier of the Swiss football league system
• 1. Liga (Slovakia), former name of the second-highest football division in Slovakia
• Austrian Football First League, (German: Erste Liga), the second highest division in Austrian football league system
• Czech First League, the top tier of the Czech football league system
• Russian First League, the second tier of the Russian football league system

Ice hockey

• Czech 1. Liga, second-highest ice hockey division in the Czech Republic
• Polish 1. Liga, second-highest ice hockey division in Poland
• Slovak 1. Liga, second-highest ice hockey division in Slovakia
• Swiss 1. Liga (ice hockey), third-highest ice hockey league in Switzerland
• Erste Liga (ice hockey), an international ice hockey league

Basketball

• I Liga (basketball), second level basketball league in Poland

Rugby

• I liga Rugby, second-highest rugby union league in Poland

Speedway

• Polish Speedway First League, second-highest motorcycle speedway league in Poland

See also

• I Lyga, football league in Lithuania
• A-1 Liga, basketball league in Croatia
• Liga (disambiguation)
• 2. Liga (disambiguation)
• 3. Liga (disambiguation)
• Prva Liga (disambiguation)
• Liga 1 (disambiguation)
• Liga I, a Romanian professional league for men's association football clubs