Emma A. Cranmer (née , Powers; after first marriage, Goodell; after second marriage, Cranmer; October 2, 1858 – January 11, 1937) was an American temperance reformer, woman suffragist, and author. A talented suffrage speaker and prohibition representative, she served as president of the South Dakota Woman's Christian Temperance Union (WCTU) and the South Dakota Equal Suffrage Association. Some of her epigrams were published by the press. Cranmer died in 1937.