Léon Cladel (Montauban, 22 March 1834 – 21 July 1892, Sèvres) was a French novelist.

Léon-Gontran Damas was a French poet and politician. He was one of the founders of the Négritude movement. He also used the pseudonym Lionel Georges André Cabassou.

Léon Daudet was a French journalist, writer, an active monarchist, and a member of the Académie Goncourt.

Léon Dierx was a French poet born in Saint-Denis in 1838. He came to Paris to study at the Central School of Arts and Manufactures and subsequently settled there, taking up a post in the education office. He became a disciple of Leconte de Lisle and one of the most distinguished of the Parnassians. At the death of Stéphane Mallarmé in 1898 he was acclaimed prince of poets by les jeunes. His works include: Aspirations (1858); Poèmes et poésies (1864); Lèvres closes (1867); Paroles d'un vaincu (1871) ; La Rencontre, a dramatic scene (1875) and Les Amants (1879). His Poésies complètes (1872) were crowned by the French Academy. A complete edition of his works was published in 2 vols., 1894–1896. He was made Chevalier of the Legion of Honour in 1901.

Joseph Leon Edel was an American/Canadian literary critic and biographer. He was the elder brother of North American philosopher Abraham Edel.

León Felipe Camino Galicia was an anti-fascist Spanish poet.

Léon Eugène Frapié was a French novelist.

Leon Garfield FRSL was a British writer of fiction. He is best known for children's historical novels, though he also wrote for adults. He wrote more than thirty books and scripted Shakespeare: The Animated Tales for television.

Léon Guérin (1807–1885) was a French author, poet, and naval historian.

Léon Halévy was a French civil servant, historian, and dramatist.