Jacques-Maximilien Benjamin Bins, comte de Saint-Victor was a French poet and man of letters.

Jacques Bouveresse was a French philosopher who wrote on subjects including Ludwig Wittgenstein, Robert Musil, Karl Kraus, philosophy of science, epistemology, philosophy of mathematics and analytical philosophy. Bouveresse was called "an avis rara among the better known French philosophers in his championing of critical standards of thought."

Jacques Romain Georges Brel was a Belgian singer and actor who composed and performed theatrical songs. He generated a large, devoted following—initially in Belgium and France, but later throughout the world. He is considered a master of the modern chanson.

Jacques Cambry was a Breton writer and expert in Celtic France. An early proponent of what came to be called Celtomania, he was the founder of the Celtic Academy, the forerunner of the Societé des Antiquaires de France. In addition, he is still honored as the "inventor" of the Oise département and praised for his contributions to the regional Breton identity as well as the national identity of post-Revolutionary France.

Jacques Cazotte was a French author.

Jacques Chardonne is the pseudonym of French writer Jacques Boutelleau. He was a member of the so-called Groupe de Barbezieux.

Jacques Chessex (Payerne, 1 March 1934 – Yverdon-les-Bains, 9 October 2009) was a Swiss author and painter.

Jacques Albin Simon Collin de Plancy was a French occultist, demonologist and writer. He published several works on occultism and demonology.

Jacques-Yves Cousteau, was a French naval officer, oceanographer, filmmaker and author. He co-invented the first successful Aqua-Lung, open-circuit SCUBA. The apparatus assisted him in producing some of the first underwater documentaries.

Jacques Crétineau-Joly was a French Catholic journalist and historian.