William Garnett

William Garnett may refer to:


 * William Garnett (civil servant) (1793–1873), British Inspector-general of Taxes
 * William Garnett (politician) (1818–1873), MP for Lancaster, 1857–1864
 * William Garnett (photographer) (1916–2006), American landscape photographer
 * William Garnett (professor) (1850–1932), British electrical engineer
 * William John Garnett (1921–1997), British industrial relations campaigner
 * Bill Garnett (born 1960), American basketball player
 * William Garnett (cricketer) (1816–1903), English cricketer and clergyman