Peter Marsh
Peter Marsh may refer to:
- Peter Marsh (social scientist) (born 1950), British academic in the fields of sociology and social work
 - Pete Marsh, Iron Age bog body
 - Peter Marsh (athlete) (1948–2012), Australian Paralympian
 - Peter Marsh (ice hockey) (born 1956), Canadian ice hockey player
 - Peter Marsh (field hockey) (born 1951), British field hockey player
 - Peter Marsh (musician) (born 1952), British singer, songwriter, guitarist and music producer