Matt or Matthew Brennan may refer to: Matt Brennan (politician) (born 1936), Irish politician Matt Brennan (academic) (born 1979), Canadian author, musician, and academic Matt Brennan (American football) (1897–1963), American football back Matt Brennan (footballer) (born 1943), Scottish footballer Matthew Brennan (cyclist) (born 2005) British cyclist, junior world record holder Matthew Brennan, namesake of Mount Brennan