V Brigade, Royal Horse Artillery was a brigade of the Royal Horse Artillery which existed in the early part of the 20th Century. It served with 8th Division on the Western Front in World War I before becoming V Army Brigade, RHA in January 1917. It was reformed after the war but was disbanded in October 1928. The successor unit, 5th Regiment, RHA, was formed in 1939 and still exists as 5th Regiment Royal Artillery.