Northern Premier League Division One South 2011-12

The 2011–12 season was the 5th season of the and South'''.

The League sponsors for 2011–12 were Evo-Stik. The league allocations were released on the 20 May 2011.

Division One South featured four new teams:
 * Coalville Town, promoted as champions from the Midland Alliance
 * Hucknall Town, relegated from the NPL Premier Division
 * Ilkeston, new team
 * New Mills, promoted as champions from the NWCFL Premier Division

Semi-finals
Leek Town win 6–7 on penalties