Harry Atmore (14 December 1870 – 20 August 1946) was a New Zealand Independent Member of Parliament for Nelson in the South Island. Harry Atmore held the Nelson seat as an Independent for a total of thirty years from 1911 to 1914 and then from 1919 to his death in 1946. He was Minister of Education and Minister in charge of the Department of Scientific and Industrial Research (DSIR) in Sir Joseph Ward's United Government of 1928 to 1931, and the acting Prime Minister of New Zealand for approximately five months between 25 August 1930 and 21 January 1931.