Magdalena Duduzile Hlengwa (born 21 November 1951) is a South African politician who served as a Member of the National Assembly of South Africa from May 2019 until May 2024. Hlengwa is a member of the Inkatha Freedom Party.

Hlengwa was born on 21 November 1951 in Melmoth in the former Natal Province.^[1] Her mother was a housewife, while her father worked on the railway.^[1] Her mother was also from the Biyela clan. Hlengwa matriculated from Masibumbane High School in Ulundi. She trained as a nurse but her family did not approve of her working late-night shifts, so she then worked as a teacher.^[1]

Between 1998 and 2011, Hlengwa was principal of Zalizwi Primary School in Ulundi.^[1]

In 2019, Hlengwa stood for election to the South African National Assembly as 5th on the Inkatha Freedom Party's regional list.^[2] At the May election, Hlengwa won a seat in the National Assembly.^[2] Hlengwa received her committee assignments on 27 June 2019.^[2]

Hlengwa was not ranked high enough on the IFP list to be turned to parliament following the 2024 general election.^[3]

Hlengwa was married to Dalton Hlengwa until his death in 1984.^[1] They had a daughter together. Hlengwa also has two grandchildren and two great-grandchildren.^[1]