Gratiot is a surname. Notable people with the surname include:
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Charles Gratiot, Sr.
Charles Gratiot (1752 – 20 April 1817) was a merchant trader in the American Midwest during the American Revolution. He financed George Rogers Clark with $8,000 for his Illinois campaign, which was never reimbursed.
Gratiot was born in Lausann ...
(1752–1817), French-American fur trapper
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Charles Gratiot (1786–1855), American military engineer, son of Charles Sr.
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Henry Gratiot
Colonel Henry Gratiot (April 25, 1789 – April 27, 1836) was a French-American pioneer, farmer, and mill owner. During the Winnebago and Black Hawk Wars, he acted as both an intermediary and early U.S. Indian agent to the Winnebagos throug ...
(1789–1836), French-American pioneer, farmer, and mill owner, son of Charles Sr.
{{surname, Gratiot