HMS Armada was a Royal Navy 74-gun third-rate ship of the line, launched in 1810. She was the first ship to carry the name. After a relatively undistinguished career, Armada was sold out of the Navy in 1863 and broken up at Marshall's ship breaking yard in Plymouth.

Captain Adam Mackenzie was an officer of the British Royal Navy who served during the American, French Revolutionary and Napoleonic Wars, being present at numerous fleet actions, as well as serving as successful ship captain.