Cognomen Lafaille (Lafaille 
) , globally, is quite a rare surname. The surname Lafaille is habitual in Haiti, where it is quite a rare surname, France, and Belgium, where it is a rare surname. In absolute terms, it is commonest in France, the United States, and Haiti.
| VARIANT | COUNTRY |
|---|---|
| Lafaille | Haiti, Canada, France, United States, Belgium |
| m.j. baart de lafaille (b. 1828) |
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| hector lafaille Uruguayan lawyer, UY (b. 1883) |
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jean-christophe lafaille French mountaineer, FR (b. 1965) |
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| jacky lafaille French politician, FR (b. 1942) |
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| fabien g. lafaille researcher |
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| raymond lafaille Haitian artist, HT |
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| maria a curotto de lafaille researcher |
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| juan j lafaille researcher (ORCID 0000-0002-5761-6020) |
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| laurence p. lafaille actor in the theatrical field in Quebec |
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| katia lafaille (b. 1970) |
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