John J. "Jack" Caulfield (March 12, 1929 - June 17, 2012) was an American security operative and law enforcement officer. He was a member of the Richard Nixon administration around the time of the Watergate Scandal, though he avoided prosecution. Caulfield was born in The Bronx, New York City. He attended Wake Forest University on a basketball scholarship as well as Fordham University and the John Jay College of Criminal Justice. He served in the United States Army during the Korean War. From 1953 to 1968, he was an officer with the New York City Police Department (NYPD).