Judith Cladel, (March 25, 1873 – January 29, 1958) was a French playwright, novelist, biographer and journalist.

Born and lived in Paris, she was a member of the jury of the prix Femina from 1916 to 1958.

[1] She began to write at a very young age, encouraged by her father, the novelist Léon Cladel.

Her first work was the play Le Volant, performed at the Théâtre de l'Oeuvre in 1895 when she was 22 years old.

As her father's friend and her future lover, Edmond Picard predicted, Cladel was entrusted by her family with upkeeping his memory.