Matthew Aaron Treanor
- Bats Right, Throws Right
- Height 6' 2", Weight 220 lb.
- High School Mater Dei High School
- Debut June 2, 2004
- Final Game September 26, 2012
- Born March 3, 1976 in Garden Grove, CA USA
Matt Treanor is married to Misty May-Treanor , winner of the Gold medal in beach volleyball at the 2004, 2008 and 2012 Olympics. May-Treanor's teammate, Keri Walsh, is the daughter of former minor leaguer Tim Walsh.