Peter Barry

Peter Barry may refer to:
 * Peter Barry (equestrian) (born 1956), Canadian Olympian
 * Peter Barry (footballer) (1937–2005), VFL footballer for Carlton
 * Peter Barry (hurler) (born 1974), Kilkenny inter-county hurler
 * Peter Barry (poet) (born 1947), British writer and academic
 * Peter Barry (politician) (1928–2016), Irish politician
 * Peter H. Barry, American geochemist