J. T. Petty (born February 28, 1977) is an American filmmaker and video game writer. Petty's film and short novels contain elements of the horror genre. As writer for the Ubisoft video games Tom Clancy's Splinter Cell and its sequel Tom Clancy's Splinter Cell: Pandora Tomorrow, Petty created the character Sam Fisher. He also wrote the survival horror games Outlast, Outlast 2 and The Outlast Trials.

Novels

• 2005: Clemency Pogue: Fairy Killer, Simon & Schuster, ISBN 0-689-87236-4
• 2006: Clemency Pogue: The Hobgoblin Proxy, Simon & Schuster, ISBN 0-689-87236-4
• 2006: The Squampkin Patch, Simon & Schuster, ISBN 1-4169-0274-0
• 2007: The Scrivener Bees, Simon & Schuster, ISBN 1-4169-0769-6
• 2012: Bloody Chester, First Second, ISBN 978-1-59643-100-3
• 2014: The Rise of Aurora West, (with Paul Pope) First Second, ISBN 978-1-62672-009-1
• 2015: The Fall of the House of West, (with Paul Pope) First Second, ISBN 978-1-62672-010-7

Comic books

• 2013: Brooklyn Animal Control, IDW Publishing
• 2016: Outlast: The Murkoff Account
• 2023: The Murkoff Collections