Sarah Emma Edmonds (born Sarah Emma Evelyn Edmondson, married name Seelye, alias Franklin Flint Thompson; December 1841 – September 5, 1898) was a Canadian-born woman who claimed to have served as a man with the Union Army as a nurse and spy during the American Civil War. Although recognized for her service by the United States government, some historians dispute the validity of her claims as some of the details are demonstrably false, contradictory, or uncorroborated.