Annick Danièle Petrus (born 5 January 1961) is a French Saint Martinois educator and politician.

She has served as the Senator for the Collectivity of Saint Martin since October 2020 as a member of the Union for Democracy and The Republicans (LR) parties.

[3] She received a master's degree in educational sciences from the University of the French West Indies and Guiana.

[3] Shortly after her loss, Petrus joined the Union for Democracy (UD) party, led by Daniel Gibbs.

[4] The island's lone national senator is selected through an indirect election by the Grand Electors of Saint Martin, largely made up of members of the Territorial Council.