Matt Carpenter or Matthew Martin Lee Carpenter (born November 26, 1985) is an American professional baseball third baseman for the New York Yankees of Major League Baseball (MLB). Matt Carpenter made his MLB debut with the St. Louis Cardinals in 2011. A left-handed batter and right-handed thrower, Carpenter stands 6 feet 3 inches (1.91 m) and weighs 205 pounds (93 kg).

Since becoming a regular player in 2013, Carpenter has spent considerable time at first base, second base and third base. The Cardinals selected him in the 13th round of the 2009 MLB draft from Texas Christian University (TCU). A three-time second-team All Mountain West Conference selectee, Matt Carpenter broke TCU's school record for games played and at bats and is second in hits, doubles and walks. Matt Carpenter was the Cardinals' organization Player of the Year in 2010. A three-time MLB All-Star Game selection, Matt Carpenter became the first Silver Slugger Award winner at second base in Cardinals franchise history after leading the major leagues in hits, runs scored and doubles in 2013.