Last name Mondesir (Mondesir 
, Mondésir 
) , across the world, is quite a common cognomen. The cognomen Mondesir is habitual in Latin America and the Caribbean, particularly Saint Lucia, where it is a common surname, Curacao, where it is quite a common surname, and Haiti. Not in comparison with a country's population, it most frequently occurs in Haiti, the United States, and France. More frequently, Mondesir is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Mondesir | United States, France, Haiti, Democratic Republic of the Congo, Ivory Coast |
| Mondésir | United States, France, Haiti, Democratic Republic of the Congo, Canada |
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mark mondesir British drummer, GB (b. 1964) |
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michael mondesir GB (b. 1966) |
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| keith mondesir Saint Lucian politician (b. 1948) |
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| sophie mondesir (b. 1957) |
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| merwin mondesir Canadian actor, CA (b. 1976) |
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| ginoue mondesir Haitian artist, HT (b. 1977) |
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| matthew mondesir college basketball player (2018–2019) Central Arkansas |
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| leslie mondesir politician in Saint Lucia |
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| mike mondesir |
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