The Middlesex County Football League is a football competition based in England loosely drawing teams from the central, northern and western parts of Greater London.
The Premier Division sits at step 7 (or level 11) of the National League System.
The Middlesex County League was founded in 1984 as a single division.
Former members to progress through the pyramid are: Brook House, Hanworth Villa, CB Hounslow United, Rayners Lane, North Greenford United, Sutton Common Rovers, South Kilburn, Neasden Foundation, Bethnal Green United, Bedfont Sports, Hayes Gate, Southall, FC Romania, British Airways, Broadfields United, West Essex, FC Deportivo Galicia, St. Panteleimon, Hilltop and NW London.
In 2021, a mini tournament, the Middlesex Super 6, was organised following the abandonment of the season due to the COVID-19 pandemic, which featured Clapton Community, Cricklewood Wanderers, NW London, Stonewall, Sporting Hackney and AEK London, who won the tournament.