Matthew Harrison O'Connor (born February 14, 1992) is a Canadian professional ice hockey goaltender.

O'Connor played a single game in the National Hockey League (NHL) with the Ottawa Senators during the 2015–16 season.

O'Connor went undrafted in both OHL and NHL drafts and, after spending two seasons in the OJHL, decided to play in the United States Hockey League.

[3] O'Connor chose to forego his senior year at Boston University and signed a two-year contract with the Ottawa Senators in May 2015.

[7] After spending his first four professional seasons in North America, playing extensively in the minor leagues, O'Connor embarked on a European career as a free agent, agreeing to a one-year contract with Danish club, Rødovre Mighty Bulls of the Metal Ligaen, on July 17, 2019.