Jean Bourdeau (28 June 1848 – 8 September 1928) was a French writer, known for his books on aspects of socialism. He was also a translator of Schopenhauer, and an early adopter in France of some of the thought of Nietzsche. He wrote on a wide range of subjects, from Johannes Janssen to Maxim Gorky and the rising personality cult of Lenin. He contributed in particular to the Journal des Débats, on contemporary philosophy
He was a friend and correspondent of Georges Sorel; Sorel's side of their correspondence has been published.