Bernadette Cattanéo (née Le Loarer; February 25, 1899 – September 22, 1963) was a French trade unionist and communist activist, as well as a newspaper editor and magazine co-founder.

[1] Cattanéo also held various roles of importance within the Confédération générale du travail unitaire (CGTU) and the French Communist Party (PCF).

[2] She was fired from her job in a pharmacy for having organized a strike with her husband and found employment as editor of the newspaper La Nouvelle Vie Ouvrière in April 1925.

[5] Cattanéo was also active internationally since she took part in the fourth congress of Profintern on April 5, 1928 in the USSR where she met Joseph Stalin.

[8] When World War II broke out, she opposed the Molotov–Ribbentrop Pact, left the PCF and in late 1941 moved to Moissac in France's Zone libre,[2] where she coordinated a number of resistance initiatives.