| William Wallace Duncan | |
| Birth Date: | 20 December 1839 |
| Birth Place: | Boydton, Virginia |
| Death Place: | Spartanburg, South Carolina |
| Nationality: | American |
| Occupation: | Clergyman |
| Education: | Wofford College |
| Signature: | Signature of William Wallace Duncan (1839–1908).png |
William Wallace Duncan (December 20, 1839 - March 2, 1908) was an American bishop of the Methodist Episcopal Church, South, elected in 1886.
William Wallace Duncan was born December 20, 1839, in Boydton, Virginia, of Scots-Irish descent and of scholarship.[1] He was the son of Professor David Duncan, a native of Ireland, and of University of Edinburgh in Scotland. He settled in Kentucky, then migrated to Virginia.
William graduated from Wofford College in South Carolina in 1858 and joined the Virginia Annual Conference of the M.E. Church, South in 1859. He was a chaplain of the Army of the Confederate States of America during the American Civil War. Rev. Duncan transferred to the South Carolina Conference in 1875. He was a delegate to the First and Second Ecumenical Methodist Conferences, in 1881 and 1891, respectively. Prior to his election to the episcopacy, he served as a pastor and an educator.
Bishop Duncan died March 2, 1908, in Spartanburg, South Carolina, where he is also buried.[2]