Tournier, Torner, Tourné and Torné are names that refer to the trade of turning (Latin tornator), but could also be designated to the guardian of a tower, a jailer (old French Tornier). Le Turnier is a name that could be met in the Morbihan. Tournier seems to be a variant of the job of a turning.
Tournier is a surname, and may refer to:
Henri Tournier (1834–1904), Swiss entomologist Lionel Tournier, French curler Marcel Tournier (1879–1951), French harpist, composer, and pedagogue Mark Tournier (born 1971), Australian cricketer Michel Tournier (1924–2016), French writer Mike Tournier (born 1963), English electronic musician Nicolas Tournier (1590–1639), French Baroque painter Paul Tournier (1898–1986), Swiss physician and author Walter Tournier (born 1944), Uruguayan director