The Fezile Dabi District Municipality (Sotho: Masepala wa Setereke wa Fezile Dabi; Afrikaans: Fezile Dabi-distriktsmunisipaliteit), formerly known as the Northern Free State District Municipality, is one of the 5 districts of the Free State province of South Africa.

The seat is Sasolburg.

As of 2011, a majority of its 460,289 residents spoke Sesotho.

Northern Free State is surrounded by: The district contains the following local municipalities: The following statistics are from the 2001 census.

Election results for Northern Free State in the South African general election, 2004.