Matthew Douglas Renshaw (born 31 October 1964) is an Australian former swimmer of the 1980s and early 1990s.

[1][2] Renshaw, a graduate of Sydney's Barker College, trained with the Carlile swimming club.

[3] During the 1980s, Renshaw featured in Australia's 4 × 100 m freestyle relay quartet known as the "Mean Machine", which most famously included Neil Brooks.

He won a further Commonwealth Games gold medal in Auckland in 1990, swimming the heats for the winning 4 × 100 m freestyle relay team.

[5] Renshaw swam in two World Championships, in Madrid in 1986 and Perth in 1991.