State League 1 South Australia is the second tier state-level football (soccer) competition in South Australia, ranked third tier in the national pyramid. The league is part of the National Premier Leagues (NPL) structure implemented by Football Federation Australia in 2012. It is conducted by Football South Australia (FSA), the state's governing body. After the reforming of the South Australian football league structure in 2012, the league increased its participants from 10 clubs to 16. Football South Australia announced a restructuring of the league format in South Australia for the 2016 to 2018 seasons, moving from a 2 tiered system to a 3 tiered system with the introduction of a new 3rd division (State League 2), which reduced the participants in the now State League 1 down to 12.

A-League team Adelaide United entered their youth team in the 2015 season.

澳大利亚南澳大利亚州联赛1(South Australian National Premier League)是澳大利亚足球联赛体系中的顶级联赛,也是澳大利亚最高级别的足球联赛之一。该联赛成立于2004年,由南澳大利亚州足球协会(South Australian Football Commission)负责管理和运营。

该联赛分为两个分季,每个分季为期三个月,每年共进行60场比赛。每个赛季开始时,每个队都会进行主客场比赛,然后逐渐减少到只有主场比赛。联赛采用主客场双循环赛制,每支球队需要与其他球队交手两次,主客场各一次。

南澳大利亚州联赛1是澳大利亚最古老的顶级足球联赛之一,拥有多年的优秀球员和教练,其中包括一些国际知名球员和教练。该联赛吸引了来自南澳大利亚州和周边地区的顶尖球员,同时也吸引了来自其他国家的优秀球员和教练前来参赛。

南澳大利亚州联赛1是澳大利亚足球的重要赛事之一,也是南澳大利亚州足球的重要组成部分。该联赛为南澳大利亚州和周边地区的足球爱好者提供了一个展示自己才华的平台,同时也为南澳大利亚州培养了大量的优秀足球运动员和教练。