William Hardy

William Hardy may refer to:

• William Hardy (1807–1887), British archivist and Deputy Keeper of the Public Record Office
• William Bate Hardy (1864–1934), British biologist
• William H. Hardy (1837–1917), American founder of Hattiesburg
• Billy Hardy (born 1964), English bantamweight and featherweight boxer
• Billy Hardy (footballer) (1891–1981), English footballer
• Willie Hardy (1922–2007), Democratic politician

See also

• William Hardie (1862–1916), Scottish classical scholar