Olga Humo (née Ninčić; Belgrade, 17 May 1919 – Belgrade, 4 August 2013) was a Yugoslav partisan, writer and university professor. She was attached to the Partisan Supreme Headquarters as one of the most prominent women fighters and served as personal secretary to communist leader Josip Broz Tito throughout the Second World War. At the same time, her father Momčilo Ninčić was senior minister in the opposing Yugoslav Royal government in-exile in London.[1]