John Francis Jackson, DFC (23 February 1908 – 28 April 1942) was an Australian fighter ace and squadron commander of World War II. He was credited with eight aerial victories, and led No. 75 Squadron during the Battle of Port Moresby in 1942. Born in Brisbane, he was a grazier and businessman, who also operated his own private plane, when he joined the Royal Australian Air Force (RAAF) Reserve in 1936. Called up for active service following the outbreak of war in 1939, Jackson served with No. 23 Squadron in Australia before he was posted to the Middle East in November 1940. As a fighter pilot with No. 3 Squadron he flew Gloster Gladiators, Hawker Hurricanes and P-40 Tomahawks during the North African and Syria–Lebanon campaigns.