General Lyon may refer to:
People Edwin Bowman Lyon (1892–1971), U.S. Air Force major general Hylan B. Lyon (1836–1907), Confederate States Army brigadier general James Frederick Lyon (1775–1842), British Army lieutenant general LeRoy Springs Lyon (1866–1920), U.S. Army major general Nathaniel Lyon (1818–1861), Union Army brigadier general Robert Lyon (British Army officer) (1923–2019), British Army major general William Lyon (general) (1923–2020), U.S. Air Force major general
Ships American steamship General Lyon (1864), steamship used as a transport in the American Civil War USS General Lyon (1860), steamboat that saw active service in the American Civil War
See also General Lyons (disambiguation)