Hay (surname)
Hay is an English and Scottish surname, shortened from the Scoto-Norman de la Haye. A common variation is Hayes, and to a lesser degree Haynes, Haines, or Hughes. Notable people with the surname include:
- Alexander Hay (disambiguation), several people
- Andrew Leith Hay, Scottish soldier, politician and author
- Ann Hawkes Hay, American soldier
- Arthur Hay, several people
- Barry Hay, Dutch musician
- Bill Hay, Canadian ice hockey player
- Brogan Hay, Scottish footballer
- Cody Hay, Canadian figure skater
- Colin Hay, Scottish-Australian musician
- Daisy Hay, Professor in English Literature
- Danny Hay, New Zealand soccer player
- David Hay (disambiguation), several people
- Dennis Hay, Scottish field hockey player and coach
- Denys Hay, British historian
- Douglas Hay, New Zealand cricket player and administrator
- Edward Hay (disambiguation), several people
- Eliza Monroe Hay, American socialite
- Elizabeth Hay (disambiguation), several people
- Elspeth Hay, British sprinter
- Fernando Soto-Hay y Garcia
- Florence Hay. American baseball player
- Garry Hay, Scottish footballer
- George Hay (disambiguation), several people
- Gilbert Hay (disambiguation), several people
- Grace Marguerite Hay Drummond-Hay, British journalist and aviation pioneer
- Graham Hay, Scottish footballer
- Harry Hay, American gay rights activist
- Helen Scott Hay, American nurse
- Henry Hay (disambiguation), multiple people
- Hugh Hay, British World War I flying ace
- Ian Hay, pen name of John Hay Beith, British schoolmaster and soldier
- James Hay (disambiguation), multiple people
- Jocelyn Hay, British journalist
- John Hay (disambiguation), various including:
- * John Hay, American politician
- * John Hay (Henley MP), British politician
- * John MacDougall Hay, Scottish novelist
- * Sir John Dalrymple-Hay, 3rd Baronet, British admiral
- * Sir John Hay, 6th Baronet, British politician
- * Lord John Hay (disambiguation), several people
- Kathryn Hay, Australian politician
- Keith Hay, New Zealand businessman
- Logan Hay, American lawyer, historian, and politician
- Louise Hay, American New Age writer
- Louise Hay, French-born American mathematician
- Louise Linton, Scottish-American actor
- Lucy Hay, Countess of Carlisle, English courtier
- Margaret Fordyce Dalrymple Hay, Australian librarian
- Lady Margaret Hay, British courtier
- Marion E. Hay, American politician
- Mark Hay, American marine ecologist
- Mary Hay (actress), American stage and screen actress
- Mary Garrett Hay, American suffragist
- Mavis Doriel Hay, British author and craftswoman
- Merle Hay, American soldier
- Millar Hay, Scottish footballer
- Milton Hay, American lawyer and politician
- Oliver Perry Hay, American palaeontologist
- R.W. Hay, British public official.
- Richard Hay, Indian politician and Member of Parliament
- Robert Hay (disambiguation), several people
- Roger Hay, British World War I flying ace
- Roy Hay (horticulturalist), English horticultural journalist and broadcaster
- Roy Hay (musician), British keyboard player
- Sir Rupert Hay, British Indian Army officer and administrator in British India
- Samuel McClellan Hay, American banker and politician in Wisconsin
- Samuel Ross Hay, American Methodist bishop
- Udney Hay, American soldier, politician
- Trevor Hay, Australian chess master
- Walter Hay, Scottish footballer
- Wellington Hay, Canadian politician
- Will Hay, British comic actor
- William Hay (disambiguation), several people
- John Hay, 1st Lord Hay of Yester
- John Hay, 2nd Lord Hay of Yester
- John Hay, 3rd Lord Hay of Yester
- John Hay, 4th Lord Hay of Yester
- William Hay, 5th Lord Hay of Yester
- William Hay, 6th Lord Hay of Yester
- James Hay, 7th Lord Hay of Yester
- John Hay, 8th Lord Hay of Yester
- John Hay, 2nd Earl of Tweeddale
- John Hay, 2nd Marquess of Tweeddale
- Charles Hay, 3rd Marquess of Tweeddale
- John Hay, 4th Marquess of Tweeddale
- George Hay, 5th Marquess of Tweeddale
- George Hay, 6th Marquess of Tweeddale
- George Hay, 7th Marquess of Tweeddale
- George Hay, 8th Marquess of Tweeddale
- Arthur Hay, 9th Marquess of Tweeddale
- William Montagu Hay, 10th Marquess of Tweeddale
- William George Montagu Hay, 11th Marquess of Tweeddale
- David George Montagu Hay, 12th Marquess of Tweeddale
- Edward Douglas John Hay, 13th Marquess of Tweeddale
- George Hay, 1st Earl of Kinnoull
- George Hay, 2nd Earl of Kinnoull
- George Hay, 3rd Earl of Kinnoull
- William Hay, 4th Earl of Kinnoull
- George Hay, 5th Earl of Kinnoull
- William Hay, 6th Earl of Kinnoull
- Thomas Hay, 7th Earl of Kinnoull
- George Henry Hay, 8th Earl of Kinnoull
- Thomas Hay, 9th Earl of Kinnoull
- Robert Hay-Drummond, 10th Earl of Kinnoull
- Thomas Hay-Drummond, 11th Earl of Kinnoull
- George Hay-Drummond, 12th Earl of Kinnoull
- Archibald Hay, 13th Earl of Kinnoull
- George Hay, 14th Earl of Kinnoull
- William Hay, 15th Earl of Kinnoull
- Charles Hay, 16th Earl of Kinnoull
- James Hay, 1st Earl of Carlisle
- James Hay, 2nd Earl of Carlisle
- William Hay, 1st Earl of Erroll
- Nicholas Hay, 2nd Earl of Erroll
- William Hay, 3rd Earl of Erroll
- William Hay, 4th Earl of Erroll
- William Hay, 5th Earl of Erroll
- William Hay, 6th Earl of Erroll
- George Hay, 7th Earl of Erroll
- Andrew Hay, 8th Earl of Erroll
- Francis Hay, 9th Earl of Erroll
- William Hay, 10th Earl of Erroll
- Gilbert Hay, 11th Earl of Erroll
- John Hay, 12th Earl of Erroll
- Charles Hay, 13th Earl of Erroll
- Mary Hay, 14th Countess of Erroll
- James Hay, 15th Earl of Erroll
- George Hay, 16th Earl of Erroll
- William Hay, 17th Earl of Erroll
- William George Hay, 18th Earl of Erroll
- William Harry Hay, 19th Earl of Erroll
- Charles Gore Hay, 20th Earl of Erroll
- Victor Alexander Sereld Hay, 21st Earl of Erroll
- Josslyn Victor Hay, 22nd Earl of Erroll
- Diana Denyse Hay, 23rd Countess of Erroll
- Merlin Sereld Victor Gilbert Moncreiffe, 24th Earl of Erroll