The 19th Alberta Dragoons was a cavalry regiment and later an armoured regiment of the Canadian Militia and later the Canadian Army. It was placed on the Supplementary Order of Battle in 1965. In 2006, it was taken off the Supplementary Order of Battle and amalgamated with the South Alberta Light Horse. In October 2006, the 19th Alberta Dragoons were amalgamated with the South Alberta Light Horse, which retained that designation.