Matt Gallagher may refer to:Matt Gallagher (author), American author Matt Gallagher (businessman) (1915–1974), Irish property developer and businessman Matt Gallagher (1973–2026), English rugby union player Matt Gallagher (filmmaker), Canadian film director, producer and cinematographer Matt Gallagher, Irish former Gaelic footballer Matt Gallagher, English rugby union player Mike Gallagher (footballer), sometimes referred to as Matt, Irish footballer