Angelica Balabanoff (also Balabanov or Balabanova; Russian: Анжелика Балабанова, romanized: Anzhelika Balabanova; 4 August 1878 – 25 November 1965) was a Russian-Italian communist and social democratic activist of Jewish origin. She served as secretary of the Comintern from 1919 to 1920, and later became a political party leader in Italy.