Family name Senac (Senac 
, Сенак 
) , all over the world, is quite a rare last name. The cognomen Senac is characteristic of France, where it is quite a rare surname, Argentina, where it is a rare surname, and Spain. In absolute terms, this name is the most popular in France, Brazil, and the United States. Much less frequently, Senac is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Senac | Bosnia and Herzegovina, Argentina, France, United States, Brazil |
| Сенак | Ukraine |
| gaudencio senac ES (b. 1700) |
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felix senac Confederate States Navy agent to Europe (1815-1866), US (b. 1815) |
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| juan maría gomensoro senac Uruguayan writer (1924-1982), UY (b. 1924) |
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| raymond senac French politician, FR (b. 1939) |
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| jean-paul senac French radiologist (b. 1940) |
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| claude senac French politician, FR (b. 1959) |
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| delia pérez senac Uruguayan writer, UY |
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| caroline senac researcher ORCID ID = 0000-0003-2261-4372 |
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