Family name Lanthier (Lanthier 
) , all around the world, is quite a rare cognomen. The last name Lanthier is characteristic of Canada, where it is quite a rare surname, New Zealand, and France, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Canada, the United States, and France.
| VARIANT | COUNTRY |
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| Lanthier | France, United States, Canada, Argentina, New Zealand |
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jennifer lanthier Canadian writer, CA (b. 1964) |
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jean-marc lanthier Canadian general, CA |
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| claude lanthier Canadian politician, CA (b. 1933) |
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| pierre lanthier canadian writer, CA (b. 1951) |
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| gérard lanthier French association football player, FR (b. 1956) |
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| bruno lanthier FR (b. 1950) |
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| jean-marc lanthier Canadian ice hockey player, CA (b. 1963) |
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| andré lanthier CA (b. 1953) |
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| nicolas lanthier researcher |
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| lyse lanthier performing artist in Canada |
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| mark anthony lanthier Ph.D. Carleton University 2000 |
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| marie-catherine lanthier performing artist in Canada |
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| darcie lanthier PEI politician and businesswoman, CA |
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| sylvain lanthier researcher |
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| caroline lanthier researcher (ORCID 0000-0002-5814-3173) |
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