Hornsby is a surname. Notable people with the surname include:
Alton Hornsby Jr. (1940–2017) American historian, educator, and writer Aubrey Hornsby (1895–1981), American U.S. Army officer and aviation pioneer Brian Hornsby (born 1954), English footballer Bruce Hornsby (born 1954), American pianist and musician Dan Hornsby (1900–1951), American bluegrass musician David Hornsby (born 1975), American actor Ernest C. Hornsby (born 1936), Chief Justice of the Supreme Court of Alabama J. William Hornsby (1927–2007), mayor of Newport News, Virginia Jennifer Hornsby (born 1951), British philosopher John Hornsby (born 1956), American composer and musician; brother of Bruce Keith Hornsby (born 1991), American basketball player; son of Bruce Nick Hornsby (born 1995), American basketball player for Hapoel Be'er Sheva in the Israeli Basketball Premier League Nikki Hornsby, American singer-songwriter, musician Rogers Hornsby (1896–1963), American major league baseball player Thomas Hornsby (1733–1810), British astronomer and mathematician
Fictional: Lance Hornsby, a character in The Walking Dead.
See also Hornby (surname)