Cognomen Theriot (Theriot 
) , worldwide, is quite a common last name. The surname Theriot is habitual in the United States, where it is quite a rare surname, New Zealand, where it is a rare surname, and France. Measured by absolute frequency, it most frequently occurs in the United States, France, and Mexico.
| VARIANT | COUNTRY |
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| Theriot | Canada, France, United States, Mexico, New Zealand |
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ryan theriot American baseball infielder, US (b. 1979) |
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shane theriot American musician, US |
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nicole d. theriot American diplomat, US |
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| steve theriot American politician, US (b. 1946) |
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| edward c. theriot botanist (b. 1953) |
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| sam h. theriot American politician, US (b. 1954) |
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| angelique elaine theriot (born 1963) (b. 1963) |
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| julie theriot American microbiologist, US (b. 1967) |
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| charles frederick theriot, jr. (born 1970) (b. 1970) |
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| jamie theriot American jockey, US (b. 1979) |
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| edward c theriot researcher |
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| garrett theriot college basketball player (1998–1999) South Alabama |
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| nick theriot director and filmmaker |
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| edward dennis theriot particle physicist at Fermilab |
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| jordan c theriot researcher (ORCID 0000-0001-5726-7097) |
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