Mary Elizabeth Fisher MNZM (born 16 January 1993) is a New Zealand para swimmer. She represented New Zealand at the 2012 Summer Paralympics in London and the 2016 Summer Paralympics in Rio de Janeiro, combined winning two gold medals, two silver medals and a bronze medal. At the 2012 Summer Paralympics, Fisher won the gold medal in the 200 m individual medley SM11 in a world record time of 2:46.91. She also won silver medals in the 100 m freestyle and the 100 m backstroke, and the bronze medal in the 50 m freestyle S11. Fisher announced her retirement from competitive swimming in November 2018.