John Horace Forney (August 12, 1829 – September 13, 1902) was a farmer, civil engineer, and major general in the Confederate States Army during the American Civil War. Being promoted to the rank of major general on October 27, 1862, Forney participated in the Battles of First Bull Run and Vicksburg before being captured. He held several other commands until the end of the Civil War, living in Alabama until his death in 1902.