Barclay ( listen ) is a Scottish surname (see Clan Barclay). Notable people with the surname include:
Alexander Barclay (c.1476–1552), Scottish poet
Alexander Charles Barclay (1823–1893), English brewer and politician
Alfred Richard Barclay (1859–1912), New Zealand politician
Andrew Barclay (disambiguation), several people
Anthony Barclay, British actor
Arthur Barclay (1854–1938), Liberian politician
Bruce Barclay (1922–1979), New Zealand politician
Byrna Barclay (born 1940), Canadian writer and editor
Charles Frederick Barclay (1844–1914), American politician from Pennsylvania
Charles James Barclay (U.S. Navy officer) (1843–after 1905), United States Navy admiral
Charles James Barclay (banker) (1841–1904), Australian banker
Charles Malcolm Barclay-Harvey (1890–1969), British politician, governor of South Australia
Chris Barclay (born 1983), American football player
Claire Barclay, artist
Clifford Barclay (died 1961), Canadian politician
Colin Barclay (born 1937), New Zealand cricketer
Colville Barclay (diplomat) (1869–1929), British diplomat and Privy Counsellor
Sir Colville Barclay, 14th Baronet (1913–2010), British naval officer, painter and botanist, son of the above
Curt Barclay (1931–1985), American professional baseball player
David Barclay (disambiguation), several people
Sir David and Frederick Barclay (both born 1934), British businessmen
Don Barclay (actor) (1892–1975), American actor
Don Barclay (American football) (born 1989), American football offensive tackle and guard
Eddie Barclay (born Edouard Ruault) (1921–2005), French music producer
Edmund Barclay (1898–1961), English-Australian writer
Edwin Barclay (1882–1955), Liberian politician
Emily Barclay (born 1984), New Zealand actress
Florence L. Barclay (1862–1921), British romance novelist and short story writer
Frank Barclay (rugby league), rugby league footballer of the 1900s and 1910s for New Zealand
Frank Barclay, English retired footballer
George Barclay (disambiguation), several people
Glen Barclay, rugby league footballer of the 1900s and 1910s for New Zealand Māori, and North Sydney Bears
Hugh Barclay (disambiguation), several people
Humphrey Barclay (disambiguation), several people
James Barclay (born 1965), British High Fantasy genre author
James Gillespie Barclay (1882–1972), New Zealand politician
James William Barclay (1832–1907), Scottish businessman, farmer and politician
Jean-Claude Barclay (born 1942), former French international tennis player
Joan Barclay (aka Geraine Greear) (1914–2002), American film actress
John Barclay, several people
Joseph Barclay (1831–1881), Irish priest who was Anglican Bishop in Jerusalem
Joseph Gurney Barclay (1816-1898) banker and astronomer
Joseph Gurney Barclay (1879-1976) banker and missionary
Kate Barclay (born 1980), Australian Olympian kayaker
Kayla Barclay, American beauty contester
Leila Barclay, Lebanese-American storyteller and journalist
Linwood Barclay, Canadian-American humourist, author and former columnist
Liz Barclay, British broadcaster, journalist and writer
Madeleine Barclay (aka Madeleine Bayard) (1911–1943), British Special Operations Executive (World War II)
Mary Barclay (1916–2008), English actress
Max Barclay, British entomologist and museum curator
Michael Andreas Barclay de Tolly (1761–1818), Russian field marshal
Olivia Barclay (1919–2001), British astrologer
Paris Barclay (born 1956), American television and film director
Patrick Barclay, Scottish sportswriter
Paul Barclay, Australian writer, journalist, radio presenter and producer
Robert Barclay, several people
Barclay baronets, several people
Sir Roderick Barclay (1909–1996), British diplomat, ambassador to Denmark and Belgium
Ron Barclay (1914–2003), New Zealand politician
Sebastián Barclay (born 1978), former Argentine footballer
Stephen Barclay (born 1972), British politician
Steve Barclay (racing driver) (born 1944), American race car driver
Thomas Barclay (disambiguation), several people
Vera Barclay, British pioneer of Scouting and an author
Violet Barclay aka Valerie Barclay and Valerie Smith (1922–2010), American illustrator
Walter Barclay (1899–1943), British army officer
William Barclay, several people
