The 2022 Women's South Island Championship, known now as Women's South Island League, was the inaugural season of the 2nd level women's football in New Zealand.
Coastal Spirit SAS were the Mainland Women's Premiership champions and Dunedin City Royals were the ODT Women's Premiership champions.
The South Island Championship is the culmination of two regional federations, each of which provide teams to the Women's South Island Championship. The top two teams in the Women's Premier League and top two teams from the Women's Southern Premiership qualify for entry into the South Island League.
There are four team competing in the Premier League, down from the previous season's six. The teams which were relegated at the end of the previous season were Waimakariri United and Ferrymead Bays.
Seven teams competed in the league: five from the previous season, and two new teams, Dunedin City Royals and Northern. Dunedin City Royals were formed as an amalgamation of Dunedin Technical and Caversham, and replaced Dunedin Technical in the league.
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