Steven Michael Santini (born March 7, 1995) is an American professional ice hockey defenseman who is currently playing for the Springfield Thunderbirds in the American Hockey League (AHL) while under contract to the St. Louis Blues of the National Hockey League (NHL). He has also played for the New Jersey Devils and the Nashville Predators. He played for the Boston College Eagles men's ice hockey team of the NCAA Hockey East conference. Santini was selected by the New Jersey Devils in the 2nd round (42nd overall) of the 2013 NHL Entry Draft.