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 (1785–1862), Scottish soldier, politician and author
• Ann Hawkes Hay (1745–1785), American soldier
• Arthur Hay, several people
• Barry Hay (born 1948), Dutch musician
• Bill Hay (1935–2024), Canadian ice hockey player
• Brogan Hay (born 1999), Scottish footballer
• Cody Hay (born 1983), Canadian figure skater
• Colin Hay (born 1953), Scottish-Australian musician
• Daisy Hay, Professor in English Literature
• Danny Hay (born 1975), New Zealand soccer player
• David Hay (disambiguation), several people
• Dennis Hay (born 1940), Scottish field hockey player and coach
• Denys Hay (1915–1994), British historian
• Douglas Hay (1876–1967), New Zealand cricket player and administrator
• Edward Hay (disambiguation), several people
• Eliza Monroe Hay (1786–1840), American socialite
• Elizabeth Hay (disambiguation), several people
• Elspeth Hay (born 1929/30), British sprinter
• Fernando Soto-Hay y Garcia
• Florence Hay. American baseball player
• Garry Hay (born 1977), Scottish footballer
• George Hay (disambiguation), several people
• Gilbert Hay (disambiguation), several people
• Graham Hay (born 1965), Scottish footballer (Airdrieonians)
• Harry Hay (1912–2002), American gay rights activist
• Helen Scott Hay (1869–1932), American nurse
• Henry Hay (disambiguation), multiple people
• Hugh Hay (1889–1965), British World War I flying ace
• Ian Hay, pen name of John Hay Beith (1876–1952), British schoolmaster and soldier
• James Hay (disambiguation), multiple people
• Jocelyn Hay (1927–2014), British journalist
• John Hay (disambiguation), various including:
  • John Hay (1838–1905), American politician
  • John Hay (Henley MP) (1919–1998), British politician
  • John MacDougall Hay (1879–1919), Scottish novelist
  • Sir John Dalrymple-Hay, 3rd Baronet (1821–1912), British admiral
  • Sir John Hay, 6th Baronet (1788–1838), British politician
  • Lord John Hay (disambiguation), several people
• Kathryn Hay (born 1975), Australian politician
• Keith Hay (1917–1997), New Zealand businessman
• Logan Hay (1871–1942), American lawyer, historian, and politician
• Louise Hay (1926–2017), American New Age writer
• Louise Hay (1935–1989), French-born American mathematician
• Louise Linton (née Hay) (born 1980), Scottish-American actor
• Lucy Hay, Countess of Carlisle (1599–1660), English courtier
• Margaret Fordyce Dalrymple Hay (1889–1975), Australian librarian
• Lady Margaret Hay (1918–1975), British courtier
• Marion E. Hay (1865–1933), American politician
• Mark Hay (born 1952), American marine ecologist
• Mary Hay (actress) (1901–1957), American stage and screen actress
• Mary Garrett Hay (1857–1928), American suffragist
• Mavis Doriel Hay (1894–1979), British author and craftswoman
• Merle Hay (1896–1917), American soldier
• Millar Hay (born 1946), Scottish footballer
• Milton Hay (1817–1893), American lawyer and politician
• Oliver Perry Hay (1846–1930), American palaeontologist
• R.W. Hay (1786–1861), British public official.
• Richard Hay (born 1952), Indian politician and Member of Parliament
• Robert Hay (disambiguation), several people
• Roger Hay (1889–1917), British World War I flying ace
• Roy Hay (horticulturalist) (1910–1989), English horticultural journalist and broadcaster
• Roy Hay (musician) (born 1961), British keyboard player
• Sir Rupert Hay (1893–1962), British Indian Army officer and administrator in British India
• Samuel McClellan Hay (1825–1906), American banker and politician in Wisconsin
• Samuel Ross Hay (1865–1944), American Methodist bishop
• Udney Hay (1739–1806), American soldier, politician
• Trevor Hay (1945–2016), Australian chess master
• Walter Hay (fl 1920s/30s), Scottish footballer
• Wellington Hay (1864–1932), Canadian politician
• Will Hay (1888–1949), British comic actor
• William Hay (disambiguation), several people

As aristocratic Scottish family name (see Clan Hay):

• John Hay, 1st Lord Hay of Yester (c. 1450 – 1508)
• John Hay, 2nd Lord Hay of Yester (died 1513)
• John Hay, 3rd Lord Hay of Yester (died 1543)
• John Hay, 4th Lord Hay of Yester (died 1557)
• William Hay, 5th Lord Hay of Yester (died 1586)
• William Hay, 6th Lord Hay of Yester (died 1591)
• James Hay, 7th Lord Hay of Yester (died 1609)
• John Hay, 8th Lord Hay of Yester (1593–1653) (became Earl of Tweeddale in 1646)
• John Hay, 2nd Earl of Tweeddale (1626–1697) (became Marquess of Tweeddale in 1694)
• John Hay, 2nd Marquess of Tweeddale (1645–1713)
• Charles Hay, 3rd Marquess of Tweeddale (1670–1715)
• John Hay, 4th Marquess of Tweeddale (1695–1762)
• George Hay, 5th Marquess of Tweeddale (1758–1770)
• George Hay, 6th Marquess of Tweeddale (1700–1787)
• George Hay, 7th Marquess of Tweeddale (1753–1804)
• George Hay, 8th Marquess of Tweeddale (1787–1876)
• Arthur Hay, 9th Marquess of Tweeddale (1824–1878)
• William Montagu Hay, 10th Marquess of Tweeddale (1826–1911)
• William George Montagu Hay, 11th Marquess of Tweeddale (1884–1967)
• David George Montagu Hay, 12th Marquess of Tweeddale (1921–1979)
• Edward Douglas John Hay, 13th Marquess of Tweeddale (1947–2005)
• George Hay, 1st Earl of Kinnoull (died 1634)
• George Hay, 2nd Earl of Kinnoull (died 1644)
• George Hay, 3rd Earl of Kinnoull (died 1650)
• William Hay, 4th Earl of Kinnoull (died 1677)
• George Hay, 5th Earl of Kinnoull (died 1687)
• William Hay, 6th Earl of Kinnoull (died 1709)
• Thomas Hay, 7th Earl of Kinnoull (died 1719)
• George Henry Hay, 8th Earl of Kinnoull (1689–1758)
• Thomas Hay, 9th Earl of Kinnoull (1710–1787)
• Robert Hay-Drummond, 10th Earl of Kinnoull (1751–1804)
• Thomas Hay-Drummond, 11th Earl of Kinnoull (1785–1866)
• George Hay-Drummond, 12th Earl of Kinnoull (1827–1897)
• Archibald Hay, 13th Earl of Kinnoull (1855–1916)
• George Hay, 14th Earl of Kinnoull (1902–1938)
• William Hay, 15th Earl of Kinnoull (1935–2013)
• Charles Hay, 16th Earl of Kinnoull (born 1962)
• James Hay, 1st Earl of Carlisle (1580–1636)
• James Hay, 2nd Earl of Carlisle (1612–1660)
• William Hay, 1st Earl of Erroll (died c. 1462)
• Nicholas Hay, 2nd Earl of Erroll (died 1470)
• William Hay, 3rd Earl of Erroll (died 1507)
• William Hay, 4th Earl of Erroll (died 1513)
• William Hay, 5th Earl of Erroll (died 1541)
• William Hay, 6th Earl of Erroll (c. 1521 – 1541)
• George Hay, 7th Earl of Erroll (died 1573)
• Andrew Hay, 8th Earl of Erroll (died 1585)
• Francis Hay, 9th Earl of Erroll (died 1615)
• William Hay, 10th Earl of Erroll (died 1636)
• Gilbert Hay, 11th Earl of Erroll (died 1675)
• John Hay, 12th Earl of Erroll (died 1704)
• Charles Hay, 13th Earl of Erroll (died 1717)
• Mary Hay, 14th Countess of Erroll (died 1758)
• James Hay, 15th Earl of Erroll (1726–1778)
• George Hay, 16th Earl of Erroll (1767–1798)
• William Hay, 17th Earl of Erroll (1772–1819)
• William George Hay, 18th Earl of Erroll (1801–1846)
• William Harry Hay, 19th Earl of Erroll (1823–1891)
• Charles Gore Hay, 20th Earl of Erroll (1852–1927)
• Victor Alexander Sereld Hay, 21st Earl of Erroll (1876–1928)
• Josslyn Victor Hay, 22nd Earl of Erroll (1901–1941)
• Diana Denyse Hay, 23rd Countess of Erroll (1926–1978)
• Merlin Sereld Victor Gilbert Moncreiffe, 24th Earl of Erroll (born 1948)

See also

• Hay (disambiguation)
• Clan Hay
• Haye
• Hays (disambiguation)
• Hayes (surname)
• Haynes
• De la Hay (disambiguation)

Surname list

This page lists people with the surname Hay.
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.