Duncan Farrar Kenner (February 11, 1813 – July 3, 1887) was an American politician who served as a Deputy from Louisiana to the Provisional Congress of the Confederate States from 1861 to 1862.

According to Ulrich Bonnell Phillips, he was "long a slave trader with headquarters at New Orleans before he became a planter in Ascension Parish on a rapidly increasing scale.

[1] He served for several terms in the Louisiana House of Representatives and was a member of the state constitutional conventions of 1845 and 1852, having presided over the latter conclave.

During the American Civil War of 1861–1865, he was a member of the Confederate Congress and chairman of its Ways and Means Committee.

In 1864, he was sent by Jefferson Davis as special commissioner to England and France to secure the recognition of the Confederate States.

[1] Davis, through Kenner, offered the emancipation of the Confederate slaves in exchange for diplomatic recognition of the Confederacy by Britain and France.