Stumpf or Stumpff is a surname. Notable people with the surname include:
Carl Stumpf, (1848–1936), German philosopher and psychologistChristian Stumpf (born 1966), Austrian international footballerEddie Stumpf (1894-1978), American baseball player, manager and executiveHorst Stumpff (1887–1958), German general in World War IIHulda Stumpf, (1867–1930), Christian missionary in KenyaJohann Andreas Stumpff, (1769–1846), German maker of harps and pianos, resident in LondonJohn Stumpf (born 1953), American business executive and investment bankerWilhelm Stumpf, (1873–1926), German painter and illustrator