Catherine Osson (born 7 February 1974) is a French politician of La République en Marche!

(LREM) who served as a member of the French National Assembly from 2017 to 2022, representing the department of Nord.

In 2020, Osson joined En commun (EC), a group within LREM led by Barbara Pompili.

[3] She lost her seat in the second round of the 2022 French legislative election to David Guiraud from La France Insoumise.

In July 2019, Osson voted in favour of the French ratification of the European Union’s Comprehensive Economic and Trade Agreement (CETA) with Canada.