Peter Grant Hay

Peter Grant Hay
Born(1879-07-09)9 July 1879
Bright, Victoria, Australia
Died29 August 1961(1961-08-29) (aged 82)
NationalityAustralian
Occupation(s)Brewer, Racehorse Breeder
SpouseMargaret Glover
ChildrenPatricia, Kathleen, Alison, Peter
Parent(s)James Grant Hay
Catherine Margaret Cox
RelativesJames Grant Hay (grandson)
Sir Rupert Clarke (son in-law)

Peter Grant Hay (9 July 1879 – 29 August 1961) was an Australian brewer, landowner, pastoralist and thoroughbred racehorse breeder. He founded the Richmond N.S. (Nathan System) Brewing Co. Ltd (Carlton & United Breweries) in Melbourne Australia.

He is responsible for both the introduction of pasteurisation to Australia's dairy industry and the introduction of the Swiss Nathan System of brewing to Australia. He was the youngest of five children.