The win ended a three-game slide for the Sixers and left the Nets with a record of 4-42 in their dismal 2009-10 season.
Iguodala, Philadelphia's top scorer with 14 points, sank an 18-foot shot and Iverson and Young each dropped in a pair of free throws to help the Sixers hold off the Nets in the last minute and a half.
Samuel Dalembert had 12 points and Iverson and Lou Williams tallied 11 each for the Sixers.
Brook Lopez and Jarvis Hayes put up 18 points apiece for New Jersey.
Notable deaths of 2014 [PHOTOS]