John Francis McLaren (19 June 1919 – 23 March 1953) was a Royal Air Force officer. He was the younger son of Henry McLaren, 2nd Baron Aberconway and Christabel MacNaghten.
Educated at Eton College, McLaren became an RAF Squadron Leader during World War II, first serving as a Mosquito pilot and later as a flight instructor. After the war, he became a barrister of the Inner Temple in 1946. He was made High Sheriff of Denbighshire in 1952, but died in 1953.
On 3 April 1940, he married Lady Rose Mary Primrose Paget (1919–2005), a noted beauty and the daughter of Charles Paget, 6th Marquess of Anglesey. They had two daughters: