Joshua Kearney Millner (5 July 1847 – 16 November 1931), also referred to as Jerry Millner, was an Irish shooter who represented Great Britain and Ireland at the 1908 Summer Olympics. He won a gold medal in the Free rifle at 1000 yards. At the time he was 61 years and 4 days old, making him one of the oldest gold medalists ever. He also finished 9th in the single-shot running deer event and 15th in the double-shot running deer event.