Matthew James Hamilton (born February 19, 1989) is an American curler from McFarland, Wisconsin. He currently plays lead on Team John Shuster. He is a World Junior Champion, World Men's bronze medalist, and Olympic gold medalist.

Hamilton played for skip Jeremy Roe at the 2007 and 2008 United States Men's National Championships, placing seventh and ninth, respectively. In 2008 he also joined Chris Plys' junior team, who had won the National Junior Championship the two previous years. Hamilton helped make it four Junior National Titles in a row for Plys, winning the 2008 and 2009 championships.

As national champions, Hamilton and Team Plys represented the United States at the World Junior Championships. At the 2008 World Juniors in Östersund, Sweden they took home gold medals after beating Sweden's Oskar Eriksson 9–5 in the final. While in Sweden, Hamilton won the championship's 2008 Sportsmanship Award, an award only given to one male junior curler and one female junior curler.

The following year, at the 2009 World Junior Championships held in the newly completed Vancouver Olympic Centre, they failed to defend their title, ending up with bronze medals. Hamilton and his juniors team also competed at the 2009 United States Olympic Trials, which doubled as that year's national championship, finishing in eighth place with a 3–6 record.

For the 2009–10 season Hamilton returned to Jeremy Roe's team, as third.

In the stages leading up to the 2011 United States Men's Curling Championship, he played as Paul Pustovar's second through the Medford qualifier and the challenge round, eventually qualifying for the Nationals. He replaced Pustovar as skip in the Nationals and finished seventh with a 3–6 win–loss record.

Starting with the 2011–12 curling season, Hamilton joined Craig Brown at third for three seasons. This stint culminated with a silver medal at the 2014 National Championship, Hamilton's first men's championship medal.

After the 2014 Winter Olympics, the United States Curling Association held an athlete combine to determine which curlers to include in their High Performance Program (HPP) aimed at having better success at the next Olympics. Hamilton attended the combine but was not chosen as one of the ten male HPP curlers. John Shuster, three-time Olympian at that point, was also not chosen and, in response, created a new team nicknamed "The Rejects", bringing on Hamilton at second, fellow Olympian and combine reject John Landsteiner at lead, and Tyler George at third, who hadn't attended the combine due to his work. They maintained this line-up for four seasons and found great success. At their first National Championships together in 2015, they defeated Hamilton's former skip Brown in the final to win the gold medal. Representing the United States at the 2015 World Championship in Halifax, Nova Scotia, Team Shuster missed out on the playoffs when they lost a tiebreaker to Finland's Aku Kauste. As a result of its success, Team Shuster was added to the High Performance Program for 2016.