Matthew O'Connor may refer to:
Matthew O'Connor (born April 29, 1984 in Mississauga, Ontario) is a Canadian soccer player who plays for York Region Shooters.
O'Connor began his career on the University of Ottawa CIS Soccer squad, before joining Erin Mills SC. After on year with Erin Mills, he signed for Brampton Lions in the Canadian Professional Soccer League. In July 2008, he joined Royal Racing FC Montegnee, playing his first match on 24 August. On 24 July 2009, he signed a contract with Integrál-DAC.
His brother Miles O'Connor also plays football.
Matthew Daniel O'Connor (born 26 February 1971) is a British former competitive swimmer. O'Connor competed in the 1992 Summer Olympics in Barcelona, and finished 32nd overall after swimming in the preliminary heats of the men's 200-metre backstroke.
O'Connor set the British national record in the 200-meter backstroke with a time of 2:02.88. At the British National meet he placed second in both the 100 meter and 200 meter backstroke events. While competing collegiately at the University of Georgia (UGA) from 1991 to 1994, O'Connor set the Georgia Bulldogs swimming and diving team record at the time in the 200-yard backstroke (1:47.43).