Grey (or de Grey) is a surname. It may refer to:

A

• Agnes Grey, novel by Anne Brontë
• Al Grey (1925–2000), American jazz trombonist with Count Basie
• Alan Grey, a former New Zealand rower
• Albert Grey, 4th Earl Grey (1851–1917), British politician, Governor General of Canada, eponym of the Grey Cup
• Alex Grey (born 1953), American artist
• Allan Grey, a character from A Streetcar Named Desire
• Anchitell Grey (1624–1702), Parliamentary diarist and MP for Derby
• Arthur Grey, 14th Baron Grey de Wilton (1536–1593), British soldier, Lord Deputy of Ireland
• Aubrey de Grey (born 1963), English writer on gerontology

B

• Beryl Grey (1927–2022), English ballerina
• Brad Grey (1957–2017), American television and film producer

C

• CGP Grey, YouTuber
• Charles Grey, 1st Earl Grey (1729–1807), British General, C-in-C British troops in America
• Charles Grey, 2nd Earl Grey (1764–1845), British politician, Prime Minister and statesman, gave his name to a brand of aromatic tea
• Charles Grey, 5th Earl Grey (1879–1963)
• Christian Grey, principal character from the book Fifty Shades of Grey by E. L. James
• Cordelia Grey, fictional character
• Conan Gray, American Singer

D

• Daniel Grey (1848–1900), Welsh international footballer
• David Grey, American poker player
• Deborah Grey (born 1952), Canadian politician

E

• Earl Grey: title in the British peerage
  • Earl Grey tea: see also Charles Grey, 2nd Earl Grey
  • Grey Cup: see also Albert Grey, 4th Earl Grey
• Edward Grey, 1st Viscount Grey of Fallodon (1862–1933), British statesman, later Ambassador to USA
• Edmund Grey, 1st Earl of Kent (1416–1490), administrator and magnate
• Elizabeth Grey, Viscountess Lisle (25 March 1505 – 1519), A suo jure English viscountess

F

• Ford Grey, 1st Earl of Tankerville (1655–1701)

G

• George Grey, Earl of Stamford and Warrington (1827–1883), President of MCC & landowner
• Sir George Grey (1812–1898), soldier, explorer, writer, Governor of: South Australia, New Zealand, Cape Colony (South Africa), New Zealand (2nd time)
• Sir George Grey (1799–1882), 2nd Baronet, British politician

H

• Henry de Grey (died 1219), English magnate
• Henry Grey, 1st Duke of Suffolk (1517–1554), English magnate
• Henry Grey, 1st Baron Grey of Groby (1547–1614), British courtier and administrator, grandfather of Henry Grey, 1st Earl of Stamford
• Henry Grey, 10th Earl of Kent (1594–1651), British parliamentarian
• Henry Grey, 1st Earl of Stamford (1599–1673), British army officer, parliamentarian
• Henry Grey, 1st Duke of Kent (1671–1740), British courtier and politician
• Henry Grey, 3rd Earl Grey (1802–1894), British politician

J

• Lady Jane Grey (1537–1554), married name Dudley, Nine Days Queen of England
• Janet Grey (born 1952), American actress
• J. D. Grey (1906–1985), American clergyman
• Jean Grey, fictional character
• Jemima Yorke, 2nd Marchioness Grey (1723–1797), letter writer
• Jennifer Grey (born 1960), American actress
• Joel Grey (born 1932), American actor, singer and dancer
• Sir John Grey (1387–1459), English soldier of the Hundred Years' War, Lord Deputy of Ireland
• Sir John Grey (1782–1856), officer of British Army and the East India Company forces
• Johnny Grey (born 1951), British kitchen designer and architect
• Jonathan Grey (born 1992), Filipino basketball player
• Julius Grey (born 1948), Canadian lawyer, professor and minority rights advocate

K

• Lady Katherine Grey (1540–1568), Countess of Hertford, younger sister of Lady Jane Grey, Queen of England
• Katherine Grey (actress) (1873–1950), American actress

L

• Lady Grey (disambiguation), multiple people
• Lita Grey (1908–1995), American actress and wife of Charles Chaplin
• Lord Leonard Grey (1492–1551), 1st Viscount Grane, Lord Deputy of Ireland
• Dr. Lexie Grey, fictional character

M

• Maria Georgina Grey (1816–1906), educationist and writer who promoted women's education
• Martha Grey, Countess of Stamford (1838-1916), South African member of English nobility
• Mary Grey (disambiguation), multiple people
• Dr. Meredith Grey, fictional character
• Millward Grey full name Frederick Millward Grey (1899–1957) art teacher and designer in South Australia

N

• Nigel de Grey (1886–1951), British codebreaker

P

• Paris Grey (born 1965), American singer

R

• Sir Raleigh Grey (1860–1936), pioneer British colonizer of Southern Rhodesia
• Ralph Grey, Baron Grey of Naunton (1910–1999), Governor of Northern Ireland
• Ray Grey (1890–1925), American film director and actor
• Reginald Grey, 3rd Baron Grey de Ruthyn (1362–1440), marcher lord, governor of Ireland
• Richard de Grey (died 1271), governor of the Channel Islands and Warden of the Cinque Ports
• Roger Grey, 1st Baron Grey de Ruthyn (1298–1353), soldier
• Roger Grey, 10th Earl of Stamford (1896–1976), landowner
• Richard Grey (1458–1483), English soldier, constable of Wallingford Castle
• Richard Grey (1694–1771), English churchman and author
• Richard Grey, 6th Earl Grey (1939–2013), British nobleman
• Rudolph Grey, musician and writer

S

• Sab Grey (born 1962), American musician
• Sarah Grey (born 1996), Canadian actress
• Sasha Grey (born 1988), American sex idol
• Skylar Grey American Singer/Songwriter

T

• Tanni Grey-Thompson (born 1969), Welsh athlete and TV presenter
• Sir Thomas Grey (1384–1415), of Heaton, conspirator
• Thomas Grey, 1st Marquess of Dorset (1457–1501), courtier
• Thomas Grey, Lord Grey of Groby (c. 1623 – 1657), Member of Parliament during the English Long Parliament
• Thomas Grey, 2nd Earl of Stamford (c. 1654 – 1720), son of Thomas, Lord Grey of Groby
• Thomas de Grey, 2nd Earl de Grey (1781–1859), born Robinson, British Tory politician and statesman of the 19th century
• Thomas de Grey, 6th Baron Walsingham, British politician and entomologist

V

• Virginia Grey (1917–2004), American actress
• Vivian Grey (1827), title of Benjamin Disraeli's first novel

Z

• Zane Grey (1872–1939), American novelist