Family name Legallais (Legallais 
) , in the world, is a rare cognomen. The family name Legallais is habitual in France, where it is a rare surname, Canada, and Argentina, where it is a very rare surname. Much less frequently, Legallais is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Legallais | United Kingdom, Argentina, United States, France, Canada |
| cécile legallais researcher ORCID ID = 0000-0002-8061-906X (b. 1968) |
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| maxime legallais researcher (ORCID 0000-0002-7773-7479) |
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