Southern Professional Floodlit Cup 1956-57 
Winners: Luton Town Runners-up: Reading Winners from previous season: West Ham United First round
| | 26 September 1956 | Luton Town | 4 | - | 2 | Chelsea | 6,861 | Kenilworth Road, Luton | | | Jason Cummings, Gordon Turner (3)
| | | | Les Stubbs, Syd Owen (og)
| | | | 2 October 1956 | Arsenal | 4 | - | 0 | Crystal Palace | 4,685 | Highbury, London | | | Derek Tapscott (2), Mike Tiddy, Jimmy Bloomfield
| | | | | | | | 2 October 1956 | West Ham United | 4 | - | 1 | Leyton Orient | 14,500 | Boleyn Ground, London | | | John Dick (3), Malcolm Musgrove
| | | | Jimmy Andrews
| | | | 8 October 1956 | Queen's Park Rangers | 5 | - | 2 | Millwall | 5,000 | Loftus Road, London | | | Tesi Balogun (2), Les Locke (2), Pat Woods
| | | | Keith Rutter (og), Denis Pacey
| | | | 9 October 1956 | Watford | 2 | - | 2 | Charlton Athletic | 5,527 | Vicarage Road, Watford | | | Maurice Cook, Ben Marden
| | | | | | | Replay
| | 23 October 1956 | Charlton Athletic | 1 | - | 4 | Watford | 1,634 | The Den, London | | | | | | | George Catleugh, Maurice Cook, Les Graham, Johnny Meadows
| | | | Quarter-finals | | 7 November 1956 | Luton Town | 4 | - | 3 | Watford | 3,935 | Kenilworth Road, Luton | | | John Groves, George Cummins (2, 1 pen.), Bob Morton
| | | | Bert Woodison, Peter Walker, Tommy McMillan
| | | | 12 November 1956 | Aldershot | 1 | - | 1 | Brentford | 3,200 | Recreation Ground, Aldershot | | 12 November 1956 | West Ham United | 1 | - | 1 | Arsenal | 14,000 | Boleyn Ground, London | | | John Dick
| | | | | | | | 26 November 1956 | Queen's Park Rangers | 1 | - | 2 | Reading | 3,012 | Loftus Road, London | | | Eddie McLaren (og)
| | | | Ron Springett (og), Tommy Dixon
| | | Replays
| | 27 November 1956 | Brentford | 4 | - | 3 | Aldershot | 4,250 | Griffin Park, London | | | Len Newcombe, Ken Coote, Ron Peplow, Eric 'Rabbit' Parsons
| | | | Gordon Henry (2), Jimmy Gaynor
| | | | 4 December 1956 | Arsenal | 3 | - | 2 | West Ham United | 14,156 | Highbury, London (aet) | | | Joe Haverty, David Herd (2) | | | | Malcolm Musgrove (2)
| | | Semi-Finals
| | 26 March 1957 | Brentford | 0 | - | 4 | Luton Town | 7,200 | Griffin Park, London | | 3 April 1957 | Reading | 2 | - | 1 | Arsenal | 9,799 | Elm Park, Reading | | | Jimmy Wheeler (2)
| | | | Danny Clapton
| | | | Final | | 15 April 1957 | Reading | 1 | - | 2 | Luton Town | 15,599 | Elm Park, Reading | | | Jimmy Wheeler
| | | | Gordon Turner, Jimmy Adam
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