Sibley or Sibly is an English surname. Notable people with the surname include: Andrew Sibley (1933-2015), Australian artist Alexander H. Sibley (1817–1878), Canadian businessman Antoinette Sibley (born 1939), English ballerina Brian Sibley (born 1949), British writer and broadcaster Carol Sibley (1902-1986), American civic leader and alumni leader Celestine Sibley (1914–1999), American author Charles Sibley (1917–1998), American ornithologist and molecular biologist Cyril William Sibley (1923–1945), British airman (RAF), murdered by a German Nazi David Allen Sibley (born 1961), American ornithologist and author David Sibley (politician) (born 1948), Texas politician and lobbyist Dominic Sibley, (born 1993), English cricketer Ebenezer Sibly, (1751 – c. 1799), English physician, astrologer and writer on the occult Frank Sibley (philosopher) (1923–1996), British analytic philosopher and aesthetician George Champlin Sibley, American explorer, soldier, Indian agent Harry Sibley (c. 1867–1917), South Australian architect in practice with Daniel Garlick Henry Hastings Sibley (1811–1891), first Governor of Minnesota Henry Hopkins Sibley (1816–1886), Confederate general Hiram Sibley (1807–1888), American entrepreneur Irena Sibley (1944–2009), artist, children's book author and illustrator John Langdon Sibley (1804-1885) Librarian and Historian Harvard University Louie Sibley (born 2001), English football player Mark Sibley (born 1950), American basketball player Montgomery Blair Sibley (born 1956), former American lawyer Mulford Q. Sibley (1912–1989), American political scientist Robert Sibley (1881-1958), American engineer, founder of park system in California, and alumni leader Rufus Sibley (1841–1928), American businessman, founder of Sibley, Lindsay & Curr Company department stores Solomon Sibley (1769–1846), Delegate to Congress and Supreme Court Justice for Michigan Territory English-language surnames