Café Voltaire, named after the writer and philosopher Voltaire, was a former café and restaurant located on Place de l'Odeon in the 6th arrondissement of Paris, France. The café was open from the early 19th century until the middle of the 20th century. It served as a gathering place for artists and students. The site is currently the headquarters of the literature department of the publishing house Groupe Flammarion (Flammarion Editions).