Matt Gallagher (born 1983) is an American author, former U.S. Army captain and veteran of the Iraq War. Gallagher has written on a variety of subjects, mainly contemporary war fiction and non-fiction. He became widely known for his war memoir Kaboom (2010), which tells of his and his scout platoon's experiences during the Iraq War. Until recently, he worked at the nonprofit Iraq and Afghanistan Veterans of America as senior fellow.