Peter Hammond may refer to:

• Peter J. Hammond (born c. 1930s), British television writer
• Peter J. Hammond (economist) (born 1945), British professor of economics
• Peter Hammond (Hammond, Louisiana) (1797–1870), Swedish-born American settler for whom Hammond, Louisiana, is named
• Peter Francis Hammond (1887–1971), American politician
• Peter Hammond (actor) (1923–2011), British actor and television director
• Peter Michael Hammond (1941–2021), British entomologist
• Peter Hammond (priest) (1921–1999), British priest and writer on church architecture