Mkhondo Municipality () is a local municipality within the Gert Sibande District Municipality, in the Mpumalanga province of South Africa. Piet Retief is the seat of the municipality.
The 2001 census divided the municipality into the following main places:
The municipal council consists of thirty-eight members elected by mixed-member proportional representation. Nineteen councillors are elected by first-past-the-post voting in nineteen wards, while the remaining nineteen are chosen from party lists so that the total number of party representatives is proportional to the number of votes received. In the election of 1 November 2021 the African National Congress (ANC) won a majority of twenty-one seats on the council.
The following table shows the results of the election.
The municipality was described as "the epicentre of political assassinations" after a number of assassinations. In 2022, Sbonelo Mthembu accused former mayor Vusi Motha of having assassinated African National Congress regional secretary Gert Sibande. Mthembu himself was later assassinated. Motha stated that he had intended to sue Mthembu for defamation.