Surname Sejean (Sejean 
) , in the world, is a rare family name. The surname Sejean is habitual in France, where it is a rare surname, United Arab Emirates, and Australia, where it is a very rare surname. Not in comparison with a country's population, it is commonest in France, United Arab Emirates, and Spain. Much less frequently, Sejean is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Sejean | Martinique, France, Spain, United Arab Emirates, Australia |
| pierre sejean, dit cezeaux French politician, FR (b. 1777) |
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sébastien sejean Player of American and Canadian football, FR (b. 1983) |
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| lelo sejean association football player, AU |
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