William Forster

William Forster may refer to:

• William Forster (English politician) (died 1575), MP for Berkshire
• William Forster (bishop) (died 1635), Church of England bishop of Sodor and Man
• William Forster (mathematician) (fl. 1632–1673), English mathematician
• William Forster (philanthropist) (1784–1854), English Quaker preacher and philanthropist
• William Forster (British Army officer) (1798–1870), British Army general
• William Forster (Australian politician) (1818–1882), premier of New South Wales and poet
• William Edward Forster (1818–1886), British statesman, Liberal MP, and chief secretary for Ireland
• William Mark Forster (1846–1921), Australian philanthropist
• William Thomas Forster (1857–1938), Canadian politician
• Bill Forster (footballer) (1879–1962), English footballer
• William Forster (cricketer) (1884–1930), Australian cricketer
• William Forster (judge) (1921–1997), Australian lawyer, first chief justice of the Northern Territory
• William H. Forster (born 1939), U.S. Army lieutenant general
• Will Forster, British Liberal Democrat politician, MP for Woking