Ralph Allen (disambiguation)
Ralph Allen was an English entrepreneur and philanthropist, notable for his reforms to the UK postal system.
Ralph Allen may also refer to:
- Ralph Allen (journalist), Canadian journalist, editor, and novelist
- Ralph G. Allen, American writer and scholar
- Ralph Allen (painter, born 1926), Canadian painter
- Ralph Allen (painter, born 1952), Haitian painter
- Ralph Shuttleworth Allen, British Conservative Member of Parliament 1868–1879
- Ralph Allen (footballer), English professional footballer
- Ralph O. Allen, professor of chemistry and environmental sciences