The 4th South Carolina Cavalry Regiment was a regiment of cavalry in the Confederate States Army during the American Civil War. They were from the state of South Carolina and served primarily in the Eastern Theater of the American Civil War. The 4th South Carolina Cavalry Regiment was organized on December 16, 1862, by consolidating the 10th Battalion South Carolina Cavalry and the 12th Battalion South Carolina Cavalry. The 10th Cavalry Battalion (also called the 3rd Battalion) was organized in the spring of 1862 with five companies, and Major James P. Adams and Major William Stokes were the commanding officers. The 12th Cavalry Battalion had also been known as the 4th Cavalry Battalion.