Cognomen Reyssat (Reyssat 
) , globally, is a very rare family name. The cognomen Reyssat is habitual in Western Europe, particularly France, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Reyssat | France |
| etienne reyssat researcher (ORCID 0000-0003-3401-0111) |
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| mathilde reyssat researcher (ORCID 0000-0002-7810-9140) |
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| éric reyssat French mathematician, FR |
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