Horsley is a surname. Notable people with the surname include:
Alec Horsley of Hull, founder of Northern Foods Beresford Horsley (1880–1923), English cricketer and businessman Charles Edward Horsley (1822–1876), English composer Cuthbert Horsley, English MP in the sixteenth century David Horsley (1873–1933), Anglo-American pioneer of the motion picture industry George Horsley (1836–1895), English ship owner, alderman and mayor of Hartlepool Gilbert Horsley (), English privateer Jean Horsley (1913–1997), New Zealand artist John Horsley (disambiguation), multiple people Lee Horsley, (born 1955), American actor Matt Horsley (born 1972), Australian footballer Matthew Henry Horsley (1867-1925), English timber merchant, ship owner, mayor of Hartlepool and philatelist Neal Horsley (1944–2015), American political figure of the far right Sir Peter Horsley (1921–2001), Air Marshal of the Royal Air Force, Equerry to the Duke of Edinburgh and Ufologist Richard A. Horsley (born 1939), American theologist and philologist Ron Horsley (born 1977), American author and artist Rupert Horsley (1905-1988), English First Class Cricketer Samuel Horsley (1733–1806), British churchman and bishop of Rochester Sebastian Horsley (1962–2010), English writer and artist Valerie Horsley, American developmental biologist Victor Horsley (1857–1916), English neurosurgeon and scientist William Horsley (1774–1858), English organist and composer