Tooth is a surname. Notable people with this surname include:
Arthur Tooth (1839–1931), Church of England priest Charles Tooth (1831–1894), Anglican clergyman Dick Tooth (1929–2020), Australian rugby union player Douglas Tooth (1904–1982), Australian politician Howard Henry Tooth (1856–1925), British neurologist John Tooth (1803–1857), Australian brewer, founder of Tooth and Co. Liane Tooth (born 1962), Australian field hockey player Mary Tooth (1778–1843) British Methodist preacher Nicholas Tooth (1844–1913), foundry owner and Queensland politician Robert Tooth (1821–1893), British-born member of Tooths' brewery family in Sydney William Tooth (1823–1876), English-born Australian politician and pastoralist Lucas-Tooth baronets Archibald Lucas-Tooth (1884–1918), 2nd baronet, son of Robert Hugh Lucas-Tooth (1903–1985), Scottish politician Robert Lucas-Tooth (1844–1915), Australian politician
See also Tooth & Co., Sydney brewing company founded by the Tooth family