The 2nd Arkansas Cavalry Regiment (Slemons') (1861–1865) was a Confederate Army cavalry regiment during the American Civil War. This regiment was also referred to in the official records as the 4th Arkansas Cavalry Regiment. Another regiment, commanded by Colonel Thomas J. Morgan, was also designated as the 2nd Arkansas Cavalry Regiment. Following Price's Raid in 1864, the survivors of the regiment were reorganized as the 18th Arkansas Cavalry Battalion, which was also referred to as McMurtrey's Arkansas Cavalry Battalion.