Peter Giles may refer to:
Peter Giles (actor) (born 1971), Canadian actor Peter Giles (countertenor) (born 1939), British countertenor and voice teacher Peter Giles (musician) (born 1944), British bass player and vocalist Peter Giles (philologist) (1860–1935), philologist and master of Emmanuel College, Cambridge Peter Giles (canoeist) (born 1970), Canadian sprint kayaker Peter Giles (footballer) (born 1958), Australian footballer
See also Pieter Gillis (1486–1533), humanist and friend of Thomas More Peter de Giles (1927–2015), British Olympic rower