2019–20 Spartan South Midlands Football League

The 2019–20 Spartan South Midlands Football League season is the 23rd in the history of Spartan South Midlands Football League, a football competition in England.

Premier Division
At the end of the 2018–19 season, the following teams left the division:
 * Promoted to Step 4


 * Transferred within Step 5

The remaining 16 teams, together with the following, form the Premier Division for season 2019–20:
 * Promoted from Step 6


 * Transferred within Step 5


 * Relegated from Step 4

Division One
At the end of season 2018–19, the following teams left the division:
 * Promoted to Step 5


 * Relegated to Step 7

The remaining 17 teams, together with the following, form Division One for 2019–20:
 * Promoted from Step 7


 * Transferred within Step 6