Thomas Garnett

Thomas Garnett may refer to:


 * Thomas Garnet (or Garnett) (c. 1575–1608), English saint
 * Thomas Garnett (physician) (1766–1802), English physician
 * Thomas Garnett (manufacturer) (1799–1878), manufacturer and naturalist
 * Thomas Garnett (footballer) (1900–1950), English association footballer
 * Tommy Garnett (1915–2006), English and Australian headmaster, horticulturist, ornithologist, cricketer and author