Hornby is a surname. Notable people with the surname include:
A. N. Hornby (1847–1925), English rugby and cricket player A. S. Hornby (1898–1978), English grammarian, lexicographer, and pioneer in the field of English language learning and teaching (ELT) Andy Hornby (born 1967), English businessman Anna Hornby (1914–1996), English painter and calligrapher Ben Hornby (born 1980), Australian rugby league player Clare Hornby (born 1973), English businesswoman Clive Hornby (1944–2008), English actor D. Brock Hornby (born 1944), American judge Derek Hornby (1930–2013), British businessman Edmund Hornby (politician) (1773–1857), British politician Edmund Grimani Hornby (1825–1896), British judge Edmund Phipps-Hornby (1857–1947), English recipient of the Victoria Cross Edward Kenworthy Hornby (1839–1887), British politician Frank Hornby (1863–1936), English inventor of Meccano and Hornby Trains Geoffrey Thomas Phipps Hornby (1825–1895), British admiral of the fleet Hugh Leycester Hornby (1888–1965), Anglican clergyman James John Hornby (1826–1909), headmaster and, later, provost of Eton John Hornby (1880–1927), Canadian explorer Judy Hornby, British-American fashion designer Lesley Hornby (born 1949), birth name of English model, actress, and singer better known as "Twiggy" Nick Hornby (born 1957), author Nick Hornby (artist) (born 1980), British artist Phipps Hornby (1785–1867), British naval officer Phipps Hornby (cricketer) (1820–1848), English cricketer Richard Hornby (1922–2007), British politician and businessman Robert William Bilton Hornby (1821–1888), priest, antiquarian and lord of the manor from the City of York Ron Hornby (1914–1962), British football player Ross Hornby, Canadian diplomat Simon Hornby (1934–2010), English businessman Warwick Hornby, Australian musician in the band The Whitlams Wilfrid Bird Hornby (1851–1935), Anglican bishop William Hornby (governor) (c.1723–1803), Governor of Bombay Sir William Hornby, 1st Baronet (1841–1928), English industrialist and politician, son of William Henry William Henry Hornby (1805–1884), English industrialist and politician
See also Hornsby (surname) Hornby baronets