Surname Clouthier (Clouthier 
) , across the world, is quite a rare cognomen. The surname Clouthier is habitual in Canada, where it is quite a rare surname, New Zealand, where it is a rare surname, and the United States. In absolute terms, the name is most common in Canada, the United States, and Mexico.
| VARIANT | COUNTRY |
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| Clouthier | Canada, Brazil, Mexico, New Zealand, United States |
| adolfo clouthier Mexican athlete, MX (b. 1909) |
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tatiana clouthier carrillo Mexican politician, MX (b. 1964) |
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brett clouthier Canadian ice hockey player, CA (b. 1981) |
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| manuel clouthier Mexican politician (1934-1989), MX (b. 1934) |
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| hec clouthier Canadian politician, CA (b. 1949) |
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| dennis james clouthier (b. 1950) |
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| dennis j clouthier researcher |
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| sharon clouthier researcher |
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| allison l clouthier researcher |
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| david e clouthier researcher |
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