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 first became known for his war memoir Kaboom (2010), which tells of his and his scout platoon's experiences during the Iraq War. He works as a writing instructor at Words After War, a literary nonprofit devoted to bringing veterans and civilians together to study conflict literature.