George Paul Harrison, Sr. (October 19, 1813 – May 14, 1888) was a brigadier general in the Georgia militia in 1856–1861, commander of the 1st Brigade in the Georgia State Troops and a colonel in Georgia's First Military District in 1864–1865 during the American Civil War (Civil War). He was a prisoner of war for several months near the end of the war. He was the father of George Paul Harrison, Jr., a Confederate States Army colonel, who commanded a brigade late in the war and was later an Alabama State Senator and a two-term member of the United States House of Representatives from Alabama.