The Spartan South Midlands Football League is an English football league covering north London and parts of the Home Counties. It is a feeder to the Isthmian League.

The league was formed in 1997 by the merger of the London Spartan League and the South Midlands League .

Current teams (2003-04)

• Beaconsfield SYCOB
• Bedford United & Valerio
• Biggleswade Town
• Brook House
• Broxbourne Borough V&E
• Greenacres (Hemel)
• Hanwell Town
• Harefield United
• Haringey Borough
• Harpenden Town
• Hillingdon Borough
• Hoddesdon Town
• Holmer Green
• Leverstock Green
• London Colney
• Potters Bar Town
• Royston Town
• Ruislip Manor
• St Margaretsbury