Fort Lyon (disambiguation)

Fort Lyon may refer to:


 * Fort Lyon, Colorado, a U.S. Army fort used until 1897
 * Fort Lyon National Cemetery
 * Fort Lyon, Colorado, an unincorporated town
 * Fort Lyon (Virginia), part of the defenses of Washington DC during the American Civil War
 * Fort Lyon (Maine), a coast defense fort active 1905-1946
 * Fort Lyon, former name of Fort Wingate, near Gallup, New Mexico
 * Camp Lyon (California), sometimes called Fort Lyon, established in 1862 and later abandoned