Richard Murphy may refer to:

• Richard Murphy (screenwriter) (1912–1993), American film and television writer
• Richard Murphy (poet) (1927–2018), Irish poet
• Richard Murphy (architect) (born 1955), Scottish architect

• Richard L. Murphy (1875–1936), American Senator from Iowa
• Richard W. Murphy (1929–2024), American diplomat
• Dick Murphy (Richard M. Murphy, born 1942), American politician, mayor of San Diego
• Rick Murphy, American politician, Arizona state senator

• Dick Murphy (basketball) (1921–1973), American basketball player
• Bos Murphy (Richard Murphy, 1924–2000), New Zealand boxer
• Dick Murphy (baseball) (1931–2020), American baseball player
• Richard Murphy (rower) (1931–2023), American Olympic rower
• Richard Murphy (American football) (born 1986), American football running back

• Richard Murphy (sea captain) (1838–1916), American sea captain in Gloucester, Massachusetts
• Richard Murphy (marine ecologist) (born 1942), American marine ecologist
• Richard A. Murphy (1944–2022), American neuroscientist
• Richard Murphy (tax campaigner) (born 1958), British campaigner and accountant
• Richard Murphy (police officer) (fl. 1999), American police officer, involved in shooting of Amadou Diallo