Louise Saumoneau (17 December 1875 – 23 February 1950) was a French feminist who later renounced feminism as being irrelevant to the class struggle.She became a union leader and a prominent socialist. During World War I she was active in the internationalist pacifist movement. In a change of stance, after the war she remained with the right of the socialist party after the majority split off to form the French Communist Party.