(1) Peter Murphy (1968- ) is the author of John the Revelator. Irish journalist/novelist.
(2) Murphy, Peter, 1946- , LL.B. is the author of Murphy on Evidence. Professor of Law at South Texas College of Law.
(3) Peter Murphy (1956- ) is the author of Civic Justice: From Greek Antiquity to the Modern World. Senior Lecturer in Communications at the Victoria University of Wellington.
(4) Peter (Peter Douglas) Murphy (1963- ) is the author of Together in exile. He comes from St. John, New Brunswick.
(5) Peter E. Murphy (1942- ) is the author of The Business of Resort Management.
(6) Peter Murphy (1945- ) is the author of Seen & unseen : concrete poems.
(7) Peter Murphy (1950- ) is the author of Environmental Archaeology of Industry
(8) Peter Murphy is the author of Rifts World
(9) Peter Damien Murphy is the author of Lagan Love, born in Ireland, based in Canada
(10) Peter Francis Murphy is the author of Fictions of Masculinity, English professor at Murray State University (Kentucky USA)
(11) Peter (John Joseph) Murphy (1957- ), author of Deep, British rocker formerly of the group Bauhaus
(13) Peter John (P.J.) Murphy, (1946- ) author of Coyote U.
(14) Fr. Peter Murphy, author of Pure Sexuality, Catholic priest and lecturer at Vianney College (Wagga Wagga, Australia)
(15) Peter Murphy, author of Negotiation and Personal Influencing, negotiator/consultant based in Australia
(16) Peter David Murphy (1923-2011), author of International Quizbook, Irish radio/tv broadcaster and quizmaster