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.
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