Vendémiaire is a Floréal-class frigate of the French Navy. She is the fifth ship of the class, and is named after Vendémiaire, the first month of the Republican Calendar. The ship was constructed at Saint-Nazaire, France, in 1992 and entered service in 1993. Vendémiaire is stationed in the French Pacific territories for patrol duties.

The Floréal class is a type of light "surveillance frigates" designed for the needs of the French Navy in low-threat environments ordered in 1989. The ships are named after months of the Republican Calendar. They use construction standards of commercial ships. The frigates were built between 1990 and 1993 by the Chantiers de l'Atlantique at Saint-Nazaire, France. The six French ships of the class, Floréal, Prairial, Nivôse, Ventôse, Vendémiaire and Germinal, remain in active service.