Ralph Allen (disambiguation)

Ralph Allen (1693–1764) was an English entrepreneur and philanthropist, notable for his reforms to the UK postal system.

Ralph Allen may also refer to:


 * Ralph Allen (journalist) (1913–1966), Canadian journalist, editor, and novelist
 * Ralph G. Allen (1934–2004), American writer and scholar
 * Ralph Allen (painter, born 1926) (1926–2019), Canadian painter
 * Ralph Allen (painter, born 1952), Haitian painter
 * Ralph Shuttleworth Allen (1817–1887), British Conservative Member of Parliament 1868–1879
 * Ralph Allen (footballer) (1906–1981), English professional footballer
 * Ralph O. Allen, professor of chemistry and environmental sciences