The Southern League is an amateur status league competition run by Southern Football and Mainland Football for Association football clubs located in the South Island of New Zealand. It is at the second level of New Zealand Football behind the national association based New Zealand National League, and the highest level of club based football available to teams within the region.

Den sydlige liga er en regional fodboldkonkurrence i New Zealand for herre-seniorhold fra hele Canterbury-regionen, inklusive Midt- og Syd-Canterbury. Ligaen er den øverste række i regionen og er underlagt New Zealand Fodbold.