Mahammed Boun Abdallah Dionne (22 September 1959 – 5 April 2024) was a Senegalese politician who served as the Prime Minister of Senegal from 2014 to 2019.

Dionne served at the Central Bank of West African States, the United Nations Industrial Development Organization (ONUDI),[1] and as the advisor of the president,[2] before his appointment as prime minister.

[5][7] Dionne headed the national candidate list of Benno Bokk Yaakaar, the coalition supporting President Sall, in the July 2017 parliamentary election.

[8] Following the victory of Benno Bokk Yaakaar, President Sall reappointed Dionne as Prime Minister on 6 September 2017.

[3] Dionne died on April 5, 2024, in Paris, where he had been sent to for medical treatment after falling ill in the middle of his campaign during the 2024 Senegalese presidential election.