The 1st Alabama Cavalry Regiment was a cavalry regiment recruited from Southern Unionists that served in the Union Army during the American Civil War. It was the only predominantly-white Union regiment from Alabama. Of the 2,678 white Alabamians who enlisted in the Union Army, 2,066 served in the 1st Alabama Cavalry.

Huntsville is the most populous city in the U.S. state of Alabama. It is the county seat of Madison County with portions extending into Limestone County and Morgan County. It is located in the Appalachian region of northern Alabama.