Madeline Groves (born 25 May 1995) is an Australian competitive swimmer. She was the Australian national champion in the 200 m butterfly event in 2013, 2014, 2015 and 2016. At the 2014 Commonwealth Games she was a bronze medallist in the 200 m butterfly event, and swam in the heats for the gold medal-winning Australian freestyle relay team. She was selected to represent Australia in the 100 m and 200 m butterfly, and 4 × 200 m freestyle relay events at the 2016 Summer Olympics in Rio de Janeiro.