2016–17 Spartan South Midlands Football League

The 2016–17 Spartan South Midlands Football League season was the 20th in the history of Spartan South Midlands Football League, a football competition in England.

Premier Division
The Premier Division featured 19 clubs which competed in the division last season, along with three new clubs:
 * Crawley Green, promoted from Division One
 * Edgware Town, promoted from Division One
 * Leighton Town, relegated from the Southern Football League

Division One
Division One featured 21 club in the division for this season, of which there are five new clubs:
 * Bedford, relegated from the Premier Division
 * Biggleswade, new club
 * Hadley Wood & Wingate, joined from the Herts County League
 * Harefield United, relegated from the Premier Division
 * Kensington Borough, promoted from Division Two, with a name change from AFC Hillgate

Division Two
Division Two featured twelve clubs which competed in the division last season, along with six new clubs:
 * Enfield Borough, new club
 * MK Gallacticos, joined from the North Bucks & District League
 * New Bradwell St Peter, demoted from Division One
 * St Neots Town reserves
 * Thame Rangers, joined from the Wycombe & District League
 * Tring Town, new club

Also, Wolverton Town changed name to Unite MK.