Minoru Koga (古賀 穂, Koga Minoru, born 30 September 1996) is a Japanese badminton player. He was the mixed doubles gold medalist at the 2013 Asian Youth Games partnered with Akane Yamaguchi. Koga was part of the national junior team that won the bronze medals at the 2014 Asian and World Junior Championships. Koga who educated at the Waseda University was the men's singles champion at the 68 National University Championships. He was the runner-up at the 2018 Canada Open.