Winnie Madikizela-Mandela Municipality (), formerly Mbizana Municipality, is a local municipality within the Alfred Nzo District Municipality, in the Wild Coast Region of the Eastern Cape province of South Africa. It is named after Winnie Madikizela-Mandela, an anti-apartheid activist and wife of President Nelson Mandela.
It was formerly part of the OR Tambo District Municipality, but was transferred to the Alfred Nzo District Municipality after the 2011 municipal election.
The 2001 census divided the municipality into the following main places:
The municipal council consists of sixty-four members elected by mixed-member proportional representation. Thirty-two councillors are elected by first-past-the-post voting in thirty-two wards, while the remaining thirty-two 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 forty-eight seats on the council. The following table shows the results of the election.
Mbizana Local Municipality was the birthplace of: