HMSAgamemnon was a Victorian Royal Navy Ajax-class ironclad turret battleship, the sister ship of HMS Ajax. Agamemnon and Ajax were built to the same design, and were smaller and less expensive versions of Inflexible.
HMSAgamemnon was a 64-gun third-rate ship of the line of the British Royal Navy. She saw service in the American Revolutionary War, French Revolutionary, and Napoleonic Wars and fought in many major naval battles.