Vimartin-sur-Orthe is a commune of 1,121 people (2018). It is in Pays de la Loire in the Mayenne department in northwest France. The municipality was created on 1 January 2021 and consists of the former communes of Saint-Pierre-sur-Orthe (the seat), Saint-Martin-de-Connée and Vimarcé.
- "Arrêté préfectoral" (PDF). 21 December 2020. Retrieved 6 January 2021.