Harriet Ruth Brisbane Tracy (December 6, 1834 – May 30, 1918) was an American inventor who patented at least 27 inventions between 1868 and 1915, including six elevator and 17 sewing machine patents. Her first patent was for a crib attachment for bedsteads. Her patented elevator was put into everyday use at the 1893 World's Columbian Exposition in Chicago. In her obituary it was noted that she was also "gifted as a writer of verse and prose", contributing frequently to "magazines and periodicals".