Peter Hay

Peter Hay may refer to:


 * Peter Háy (born 1944), Canadian writer
 * Peter Grant Hay (1879–1961), Australian brewer and racehorse breeder
 * Peter Thomas Hay (born 1932), authority on British steam railways
 * Peter Alexander Hay (1866–1952), Scottish watercolourist
 * Peter Seton Hay (1853–1907), New Zealand civil engineer and public servant
 * Peter Hay (sailor), represented Australia in the Dragon World Championships
 * Peter Hay (artist) (1951–2003), British artist and publisher, founder of Two Rivers Press