The Southern League Cup is a knock-out cup competition organised by the Southern Football League.

The winning team are presented with the Southern League Challenge Trophy (trophy photograph[1]).

It was inaugurated in 1932 after receiving sanction from the Football Association,[2] with the first competition taking place in the 1932–33 season.

Apart from two breaks, 1940–1945 owing to World War 2, and 2020–2021 owing to the COVID-19 pandemic, the tournament took place each year until 2022, after which it was discontinued.

† Winners / runners-up: Club’s division indicated (where none indicated, the leagueoperated a single division) ‡ Result: Bold Type – Final or Aggregate score