Joseph Alexander Mabry, Jr. (January 26, 1826 – October 19, 1882) was an American folk figure and businessman active primarily in Knoxville, Tennessee, in the mid-nineteenth century. Mabry earned a fortune through land and railroad speculation during the 1850s, and was known throughout the South for his herd of race horses. During the Civil War, Mabry donated a large supply of uniforms and tents to the Confederate Army, and was rewarded with the rank of general.