Toutain is a French surname of Norman origin, itself from Old Norse Þórsteinn.Albert Dauzat, Noms et prénoms de France, Librairie Larousse 1980, édition revue et commentée par Marie-Thérèse Morlet, p. 572b Notable people with the surname include:
Jules Toutain (1865–1961), French archeologist Roland Toutain (1905–1977), French actor Thierry Toutain (born 1962), French racewalker
See also Pierre Toutain-Dorbec (born 1951), French photographer Thorsten Turstin Toutainville, a French commune in département Eure, région Normandy
Variant forms Tostain Toustain Turstin
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