Alexander Hanson Darnes (c. 1840 – February 11, 1894) was the first African-American physician in Jacksonville, Florida, and the second in the state. Born into slavery in St. Augustine, Florida, as a young man he served as a valet to Edmund Kirby Smith, the son of his owner, Judge Joseph Lee Smith. Darnes accompanied Smith to Texas while he served in the United States Army. During the Civil War, Smith commanded as a Confederate general.