Southern League (New Zealand)
| Founded | 1968 Revived: 2021 |
|---|---|
| Folded | 1999 |
| Country | New Zealand |
| Confederation | OFC (Oceania) |
| Number of clubs | 10 |
| Level on pyramid | 2 |
| Feeder to | National League |
| Relegation to | Canterbury Premiership Nelson Bays Premiership Southern Premiership |
| Domestic cup | Chatham Cup |
| League cup | English Cup (Mainland Football teams only) |
| Last champions | Coastal Spirit (1st title) (2025) |
| Most championships | Cashmere Technical Christchurch United (2 titles each) |
| Most appearances | Jamie Carrodus and Luke Pritchard (76) |
| Top scorer | Garbhan Coughlan (101) |
| Broadcaster(s) | FIFA+ (selected matches) |
| Website | Mainland Football |
| Current: 2026 Southern League | |
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The Southern League, known as the Dettol Southern League for sponsorship reasons, is a competition organized by the New Zealand Football, run by the Mainland Football and the Southern Football, for association football clubs located in the South Island of New Zealand. It is a New Zealand top-tier competition during the winter season, and sits at step two overall under the summer National League.