Family name Décaudin (Décaudin 
) , all around the world, is a very rare last name. The last name Décaudin is characteristic of Western Europe, particularly France, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Décaudin | France |
| michel décaudin French university teacher (1919-2004), FR (b. 1919) |
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| bertrand décaudin researcher ORCID ID = 0000-0001-8267-5594 (b. 1976) |
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