Carnot Posey was a Mississippi planter and lawyer, and a Confederate general in the American Civil War. He was mortally wounded at the Battle of Bristoe Station.

The Battle of Bristoe Station was fought on October 14, 1863, at Bristoe Station, Virginia, between Union forces under Maj. Gen. Gouverneur K. Warren and Confederate forces under Lt. Gen. A. P. Hill during the Bristoe Campaign of the American Civil War. The Union II Corps under Warren was able to surprise and repel the Confederate attack by Hill on the Union rearguard, resulting in a Union victory.