Harriot Sumner Curtis (June 30, 1881 – October 25, 1974) was an American amateur golfer and an early participant in the sport of skiing. From the Manchester, Massachusetts area, she was one of ten children. Her father was a colonel in the Union Army cavalry during the American Civil War. Her brother, James Freeman Curtis became a lawyer in New York City and was the Assistant United States Secretary of the Treasury under President William Howard Taft. She died in Manchester, Massachusetts, aged 93.