Jack Coughlin (born January 12, 1966) is a retired United States Marine Corps Gunnery sergeant and the author of the autobiography Shooter.

His first experiences with operating firearms occurred during Marine Corps recruit training, including shooting a rifle.

He was also stationed at the Subic Bay naval base in the Philippines with Alpha Company, Marine Barracks Starboard Security Platoon, and later the Jungle Operations Branch.

He spent some time with British Army troops in Basra, then fought with his unit north of Baghdad, and he was present at the destruction of Saddam Hussein's statue.

[citation needed] Coughlin's autobiography Shooter recounts his military experiences in Iraq, written with Captains Casey Kuhlman and Donald A. Davis and published in 2005.