Family name Rosaire (Rosaire 
) , in all the world, is a rare surname. The cognomen Rosaire is habitual in Switzerland, where it is a rare surname, France, and Italy, where it is a very rare surname. In absolute terms, it is commonest in France, Italy, and the United States. Much more frequently, Rosaire is the forename as well as the last name.
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| Rosaire | Ivory Coast, United States, Canada, France, Democratic Republic of the Congo |
Charo, Maria Del Rosario, Rosario, Roser, Rosie, Sario, Triantafyllos, Triantaphyllos, Τριαντάφυλλος, Розарио, Росарио, רוסריו, and روزاريو
| arthur-dominique rosaire Canadian, 1879-1922; artist, CA (b. 1879) |
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| julienne du rosaire Canadian Dominican missionary (1911-1995), CA (b. 1911) |
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| pierre rosaire French politician, FR (b. 1953) |
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| philippe rosaire French politician, FR (b. 1967) |
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| esme eugene rosaire researcher |
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Cyr, Vachon, Fortin, Michaud, Boucher, Gelinas, Grenier, Laroche, Leblanc, Bergeron, Belanger, Beaulieu, Bouchard, Bilodeau, Rousseau, Gauthier, Lapointe, Levesque, Tremblay, Turcotte, Fontaine, Fournier, Harvey, Nadeau, Tardif, Joseph, Roy, Cote, Dube, Morin, Audet, Caron, Blais, Gagne, Lemay, Martin, Champagne, Martel, Simard, Bedard, Bolduc, Poulin, Demers, Daigle, Dufour, Gagnon, Girard, Lavoie, Savard, and Pelletier