David Warsofsky (born May 30, 1990 in Marshfield, Massachusetts) is an American defenceman playing for the Boston University Terriers.
He was chosen 95th overall by the St. Louis Blues in the 2008 NHL Entry Draft. On June 26, 2010, he was traded to the Boston Bruins for Vladimír Sobotka.
Warsofsky played for the United States in the 2010 World Junior Championship where the team won the gold medal.