Tosh may refer to:
People:
- Tosh (surname)
- Tosh Askew, English rugby coach
- Tosh Townend (born 1985), professional skateboarder
- Tosh McKinlay (born 1964), Scottish footballer
- Tosh Barrell (1888–1960), English professional footballer
- Tosh Chamberlain (born 1934), English former professional footballer
- Tosh Farrell, former coach for English Premier League club, Everton F.C.
- Tosh Masson (born 1985), rugby union player for Harlequins in the Guinness Premiership
- Tosh Powell (c. 1900–1928), professional boxer from Wales
- John Toshack (born 1949), former footballer and manager
- Tosh (Hasidic dynasty), a Hasidic dynasty originating in Nyirtass, Hungary
In entertainment:
- "Tosh" (Fluke song), by the English electronic music band Fluke
- Tosh.0 a comedy show hosted by Daniel Tosh
- Nickname of DC Alfred Lines, fictional character in the television series The Bill
- Nickname of Toshiko Sato, fictional character in the television series Torchwood
Other uses:
- The Orthopedic Specialty Hospital (TOSH), Murray, Utah
- Yiddish name of Nyírtass, a Hungarian village