The 4th Tennessee Cavalry Regiment was a cavalry regiment that served in the Union Army during the American Civil War.
It was originally recruited as the 4th East Tennessee Cavalry.
The 4th Tennessee Cavalry was organized at Cumberland Gap and mustered in for a three-year enlistment on February 9, 1863 at Nashville, Tennessee (TN) under the command of Colonel R. M. Edwards.
Four companies were organized in Louisville, Kentucky from December 1862 through January 1863.
The regiment lost a total of 234 men during service; 1 officer and 24 enlisted men killed or mortally wounded, 4 officers and 205 enlisted men died of disease or accident.