Cognomen Cotnoir (Cotnoir 
) , all around the world, is a rare last name. The last name Cotnoir is habitual in Canada, where it is a rare surname, New Zealand, and the United States. In absolute terms, the name is most common in the United States, Canada, and France.
| VARIANT | COUNTRY |
|---|---|
| Cotnoir | Canada, United Kingdom, United States, New Zealand, France |
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louise cotnoir Canadian poet, playwright and short story writer, CA (b. 1948) |
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| benoit cotnoir Canadian ice hockey player (b. 1975) |
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| gisèle cotnoir-lussier Quebec personality from the world of the arts |
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| aaron j. cotnoir |
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| patrick cotnoir |
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