Hildyard is a surname. Notable people with the surname include:
Sir Christopher Hilliard (1567–1634), also known as Christopher Hildyard, English landowner and politician Daisy Hildyard (born 1984), English novelist David Hildyard (sound engineer) (1916–2008), English sound engineer Henry Hildyard Henry Hildyard (MP) (1610–1674), MP for Hedon in the 1660 Convention Parliament Henry Hildyard (cricketer) (1824–1898), English first-class cricketer and clergyman Henry Hildyard (1846–1916), British Army general Horatio Hildyard (1805–1886), English first-class cricketer and clergyman Jack Hildyard (1908–1990), British cinematographer James Hildyard (1809–1887), English classical scholar Katrine Hildyard (born 1970), Australian politician Lyonel Hildyard (1861–1931), English first-class cricketer Myles Thoroton Hildyard (1914–2005), English landowner, diarist and historian Nona Hildyard (1888-1915), New Zealand nurse Reginald Hildyard (1876–1965), British Army general Robert Hildyard (disambiguation), several people Thomas Thoroton-Hildyard (1821–1888), English politician William Hilliard (died 1608), also known as William Hildyard, English politician.