Downer is an English and Irish surname. Notable people with the surname include: Alec Downer (1910–1981), Australian politician and diplomat Alexander Downer (born 1951), Australian politician Alfred Wallace Downer (1904–1994), Canadian politician Billy Downer (born 1956), South African deputy director George Downer (1839–1916), Australian lawyer and businessman Hunt Downer (born 1946), American politician John Downer (1843–1915), Australian Premier and lawyer Naleya Downer (born 1980), Jamaican sprinter Sidney Downer (1909–1969), Australian journalist and sports writer Wally Downer (1904–1994), Canadian politician
Downer family some members of the notable South Australian family