Brian Joseph Dumoulin (born September 6, 1991) is an American professional ice hockey defenseman for the Seattle Kraken of the National Hockey League (NHL).
Dumoulin was selected by the Carolina Hurricanes in the 2nd round (51st overall) of the 2009 NHL Entry Draft.
Growing up in Maine, Dumoulin played hockey for the Biddeford High School Tigers where he helped them win back-to-back state championships. Following this, he played one season with the New Hampshire Junior Monarchs before starting his freshman season at Boston College. Throughout his three seasons at Boston College, Dumoulin accumulated numerous honors and awards including the Hockey East Best Defensive Defenseman, All-Hockey East First Team, and Rookie Team. During his time at Boston College, Dumoulin's playing rights were traded to the Penguins.