Mackenzie "Mack" Darragh (born December 8, 1993) is a Canadian competitive swimmer. He holds the Canadian record for the 200 m butterfly.
Darragh signed to the NY Breakers for the ISL's inaugural season. In spring 2020, Darragh signed for Toronto Titans in their first ISL season.
In 2016, Darragh was named to Canada's Olympic team for the 2016 Summer Olympics. At the 2011 World Junior Swimming Championships in Lima, Peru, Darragh won the bronze medal in 200 m butterfly.
In September 2017, Darragh was named to Canada's 2018 Commonwealth Games team. Darragh was awarded All-American for 200 m butterfly in 2015.