Peter Murphy may refer to:
- Peter Murphy (artist) (born 1959), English Stuckist artist
- Peter Murphy (broadcaster) (1923–2011), Irish radio and television broadcaster
- Peter Murphy (executive) (born 1962), American businessman
- Peter Murphy (footballer born 1922) (1922–1975), English footballer with Coventry City, Tottenham Hotspur and Birmingham City
- Peter Murphy (footballer born 1980), Irish international footballer with Carlisle United
- Peter Murphy (footballer born 1990), English footballer with Accrington Stanley
- Peter Murphy (hurler) (born 1961), Irish retired hurler
- Peter Murphy (JAG), American lawyer and officer in the United States Marine Corps
- Peter Murphy (motorcycle racer)
- Peter Murphy (musician) (born 1957), British musician with the band Bauhaus
- Peter Murphy (politician) (born 1949), American politician, Member of the Maryland House of Delegates
- Peter Murphy (volleyball)
- Peter P. Murphy (1801–1880), New York politician
Famous quotes containing the words peter and/or murphy:
“Neither Aristotelian nor Russellian rules give the exact logic of any expression of ordinary language; for ordinary language has no exact logic.”
—Sir Peter Frederick Strawson (b. 1919)
“If I were in the unenviable position of having to study my work my points of departure would be the “Naught is more real ...” and the “Ubi nihil vales ...” both already in Murphy and neither very rational.”
—Samuel Beckett (1906–1989)