Peter Duncan
Peter Duncan is the name of the following people:
- Peter Duncan (swimmer) (born 1935), South African swimmer
- Peter Duncan (ski racer) (* 1944), Canadian ski racer
- Peter Duncan (politician, 1945) (* 1945), Australian politician
- Peter Duncan (actor) (born 1954), British actor
- Peter Duncan (director) (born 1964), Australian director
- Peter Duncan (politician, 1965) (* 1965), Scottish politician
- Peter JS Duncan (* 1953), British historian
- Peter Martin Duncan (1824-1891), English paleontologist