Surname Le Roi (Le Roi 
) , in all the world, is a common cognomen. The cognomen Le Roi is habitual in Algeria, where it is quite a common surname, Tunisia, where it is quite a rare surname, and Cameroon. Very seldom, Le Roi is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Le Roi | Algeria, France, Tunisia, Democratic Republic of the Congo, Cameroon |
| christian le roi French politician, FR (b. 1966) |
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| gaële le roi French operatic soprano, FR (b. 1967) |
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| valerie le roi Belgian creator, BE (b. 1975) |
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| steve le roi actor |
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| éva le roi BE (b. 1987) |
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