Matthew Macdonald (born 15 March 1999) is a New Zealand rower.

[2] He won a gold medal in the men's eight event at the 2020 Summer Olympics.

[3] Prior to the 2020 Olympic Games, he finished second in the men's coxless four at the 2017 Junior World Rowing Championships; third in the same boat class at the 2018 Under-23 World Rowing Championships; fifteenth in the same boat class at the 2018 World Rowing Championships; and 6th in the men's eight at the 2019 World Rowing Championships.

He has also represented Auckland Rowing Club and North Shore Rowing Club.

[5] He lives in Cambridge and is studying for a Bachelor of Sport and Recreation at Massey University.