Steven Spielberg-Jaws
Quentin Tarontino-Pulp Fiction
Stanley Kubrick-A Clockwork Orange
Peter Jackson-The Frighteners (Personal fave

)
James Cameron-Terminator 2
David Fincher-Se7en
Robert Rodriguez-Sin City
Martin Scorcese-Gangs of New York
Ridley Scott-Alien
George Lucas-Star Wars
Francis Ford Coppola-Believe it or not, I've only seen 1 Coppala film (Jack), and that was terrible.
Kevin Smith-Chasing Amy and Clerks are tied
John Hughes-The Breakfast Club (Ferris Bueller is a close second)
Peter Weir-The Truman Show
Luc Besson-The Fifth Element
John Landis-Three Amigos
Robert Zemeckis-Forrest Gump
Cameron Crowe-Almost Famous (Followed closely by Jerry Maguire and Vanilla Sky)