Peter Cowan may refer to:
Peter Cowan (cricketer) (born 1954) Peter Cowan (writer) (1914–2002) Peter Chalmers Cowan (1859–1930), Scottish civil engineer Peter Ernest Cowan (1882–1955), politician Pete Cowen (born 1951), English golf coach Peter Cowan (canoeist) (born 1995), New Zealand Paralympic canoeist