Matthew "Matt" Breen (born 12 June 1976) is a former professional tennis player from Australia.

[1] Breen, who played collegiate tennis for the UCLA Bruins, was a boys' doubles quarter-finalist in the 1993 Australian Open.

With his partner from those events, Lee Pearson, Breen won the doubles title at the Victorian Junior Championship in 1994.

[2] In the 2001 Australian Open, Breen competed in both the singles and men's doubles.

[3] He lost his singles match to Cecil Mamiit in five sets and also exited in the first round of the doubles, partnering Pearson.