Peter Hamilton may refer to:
Writers
- Peter F. Hamilton (born 1960), English science-fiction writer
- Peter Hamilton (editor), Scottish editor of Nebula Science Fiction
Sportspeople
- Peter Hamilton (footballer born 1931), Australian rules footballer for North Melbourne
- Peter Hamilton (footballer born 1956), Australian rules footballer for Melbourne
- Pete Hamilton (born 1942), American race car driver
Others
- Peter Hunter Hamilton (1800–1857), one of the founding fathers of Hamilton, Ontario
- Peter J. Hamilton (1859–1927), Alabama lawyer/historian and Puerto Rico federal judge
- Peter Hamilton, captain of Air Canada Flight 621
- Peter Hamilton (diplomat), New Zealand diplomat, see List of Ambassadors and High Commissioners to and from New Zealand