Peter Hay

• Peter Háy, Canadian writer
• Peter Grant Hay, Australian brewer and racehorse breeder
• Peter Thomas Hay, authority on British steam railways
• Peter Alexander Hay, Scottish watercolourist
• Peter Seton Hay, New Zealand civil engineer and public servant
• Peter Hay (sailor), represented Australia in the Dragon World Championships
• Peter Hay (artist), British artist and publisher, founder of Two Rivers Press