Last name Mariétan (Mariétan 
) , all around the world, is a very rare cognomen. The last name Mariétan is habitual in Switzerland, where it is a rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Mariétan | United States, Switzerland |
| joseph-tobie mariétan Roman-Catholic bishop (1874-1943), CH (b. 1874) |
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| ignace mariétan Swiss priest and naturalist, CH (b. 1882) |
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| pierre mariétan Swiss composer, CH (b. 1935) |
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| claude mariétan Swiss footballer, CH (b. 1953) |
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| victor mariétan |
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Bryan, David, Lucas, Pierre, Romain, Julien, Céline, Justine, Evelyne, Philippe, Stéphane, Béatrice, Christophe, Christelle, and Jacqueline