Percy Allen may refer to:
Percival Allen (1917–2008), British geologist Percy Allen (footballer) (1895–1969), English football player Percy Allen (writer) (1875–1959), drama critic and writer on Shakespeare Percy Allen (politician) (1913–1992), New Zealand politician Percy Stafford Allen (1869–1933), British classical scholar Percy Allen, player in the 1938 World Ice Hockey Championships Percy Allen (cricketer) (1908–1995), New Zealand cricket player
See also Percy Allan (1861–1930), Australian civil engineer Allen (surname)