Paul Jules Barbier was a French poet, writer and opera librettist who often wrote in collaboration with Michel Carré. He was a noted Parisian bon vivant and man of letters.

Jules Bertaut was a French writer, historian and lecturer.

Jules Victor Abel Eugène Jean Comte was a French art historian and government official.

Jules de Gaultier, born Jules Achille de Gaultier de Laguionie, was a French philosopher and essayist. He was a contributor to Mercure de France and one of the chief advocates of "nietzscheism" in vogue in the literary circles of the day. He was known especially for his theory of "bovarysme", by which he meant the continual need of humans to invent themselves, to lie to themselves. His books include De Kant à Nietzsche (1900) and Le Bovarysme, essai sur le pouvoir d'imaginer (1902).

Jules Alfred Huot de Goncourt was a French writer, who published books together with his brother Edmond. Jules was born and died in Paris. His death at the age of 39 was at Auteuil of a stroke brought on by syphilis.

Arsène Jules Étienne Juvenel Dupuit was a French civil engineer and economist.

Jules Girardin (1832-1888) was a French writer.

Jules-Joseph Guiffrey was a 19th-century French art historian, a member of the Académie des beaux-arts.

Jules Gabriel Janin was a French writer and critic.

Jules Esprit Nicolas Lachelier was a French philosopher, most known for his contributions to French spiritualism and his influence on modern French philosophy. He developed a system of rational idealism and was a key figure in the neo-spiritualist movement in French philosophy.