Other
- Touchstone Theatre, a Vancouver, Canada professional theatre company
- Touchstone, the brand name of the inductive charger for HP/Palm WebOS devices
- Ned Touchstone (1926–1988), Louisiana newspaper publisher and political activist
- Touchstone (horse) (1831–1861), thoroughbred racehorse
- Touchstone file, a network parameter data file
- Operation Touchstone, a series of 14 nuclear tests conducted at the Nevada Test Site in 1987 and 1988
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