Sibeth Ndiaye (born 13 December 1979) is a French-Senegalese communications advisor and politician.
On 1 April 2019, she was appointed government spokeswoman by President Emmanuel Macron.She was in charge of Macron's press relations during the 2017 presidential election and joined his cabinet in the Élysée Palace after he was elected.
Since 1 April 2019, she has subsequently served as a Secretary of State to the office of the Prime Minister and Government Spokeswoman.