
The 5th New York Cavalry Regiment, also known as the 5th Regiment New York Volunteer Cavalry and nicknamed the "1st Ira Harris Guards", was a cavalry regiment of the Union Army during the American Civil War. The regiment had a good fighting reputation, and had important roles in the Battle of Hanover and the Battle of the Wilderness. It was present at nearly 175 battles and skirmishes, including Gettysburg, Opequon, and Cedar Creek. A majority of its fighting was in Virginia.

The 6th New York Volunteer Cavalry, also known as the 6th Regiment New York Volunteer Cavalry and nicknamed the "2nd Ira Harris Guards", was a cavalry regiment of the Union Army during the American Civil War. The majority of its fighting was in Virginia as part of the Army of the Potomac.

The 18th Pennsylvania Cavalry Regiment was a cavalry regiment of the Union Army during the American Civil War. The regiment was present for 50 battles, beginning with the Battle of Hanover in Pennsylvania on June 30, 1863, and ending with a skirmish at Rude's Hill in Virginia during March 1865. A majority of its fighting was in Virginia, although its first major battle was in Pennsylvania's Gettysburg campaign. It was consolidated with the 22nd Pennsylvania Cavalry Regiment on June 24, 1865, to form the 3rd Provisional Pennsylvania Cavalry Regiment.

The Cavalry Corps (CAV) is the armoured formation of the Irish Army. In peacetime the Cavalry carries out various duties in Aid to the Civil Power, such as:Border operations supporting Gardaí. Escort duties - cash, explosives, VIP, prisoner. Patrolling Government installations. Intelligence, surveillance, target acquisition, and reconnaissance.

The Cavalry Regiment El Rey is the oldest cavalry regiment in the Spanish Army, distinguishing itself on several occasions during the Peninsular War. They are best known for their charge at the Battle of Talavera where they dealt the decissive blow against General Jean François Leval's German Division.

The Regiment of Mounted Grenadiers is the name of two Argentine Army regiments of two different time periods: a historic regiment that operated from 1812 to 1826, and a modern cavalry unit that was organized in 1903. The first Regiment of Mounted Grenadiers, formed in 1812, fought in the Argentine War of Independence under José de San Martín, and the Cisplatine War, subsequently becoming the Presidential bodyguard in 1825. Refusing to replenish its membership with soldiers who had not fought in the Argentine War of Independence, the regiment disbanded in 1826.

The Governor's Guards of Connecticut are four distinct units of the Connecticut State Guard, a part of the organized militia under the Connecticut State Militia. There are two foot guard units and two horse guard units.