David Koepp (born June 9, 1963) is an American screenwriter and director.
As a writer, Koepp has worked on such blockbuster Hollywood films as Jurassic Park, Mission Impossible, and Spider-Man. After an uncredited rewrite of the screenplay to Men in Black at his request, he was asked to write the script for Men in Black II, but he declined the offer. Koepp had a cameo as the "Unlucky Bastard" in The Lost World: Jurassic Park, in which he was serving as Writer and Second Unit Director.
His work as a director has not had quite the same box office success; films include Secret Window, Stir of Echoes, and The Trigger Effect. Koepp was reportedly paid $4,000,000 for his Panic Room screenplay. He also created the 2002 television series Hack starring David Morse. He has recently written the screenplay for Indiana Jones and the Kingdom of the Crystal Skull and has co-written and directed 2008's Ghost Town starring Ricky Gervais and Greg Kinnear.