Robert-Jean Gustave Longuet, (9 December 1901 – 19 March 1987) was a French lawyer, journalist and militant socialist.
[1] From 1924–1926, Longuet was the editor of Le Quotidien and later became the editorial secretary of the Nouvelle revue socialiste in 1926.
After a trip to Morocco in 1926 and in 1927, his work as a lawyer led him to defend anti-imperialist activists.
Before the start of the Second World War, he emigrated to the United States and lived there for five years.
He was the Washington correspondent of the communist daily Tonight, and additionally the editor of the newspaper Libération Emmanuel d'Astier La Vigerie.