Worldwide, J-L (J-L 
) is a very rare primarily boy's, but scarcely female first name. The first name J-L is characteristic of Western Europe, particularly Belgium, where it is a rare masculine name, and France, where it is a very rare male name. Much less frequently, J-L is the last name as well as the forename. Parts of the name also exists independently as a first name J, and a first name L.
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| J-L | Myanmar, Canada, Morocco, France, Belgium |
| j-l gardarein researcher (b. 1979) |
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| j-l lazzari researcher |
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| j-l georges researcher |
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| j-l jung researcher |
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| j-l lizon researcher (ORCID 0000-0001-8928-2566) |
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| j-l wang researcher |
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| j-l orgiazzi researcher |
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| j-l solet researcher (ORCID 0000-0002-8309-8861) |
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| j-l li researcher |
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| j-l ethier researcher |
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| j-l liu researcher |
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| j-l sixou researcher |
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| j-l oberson researcher (ORCID 0000-0003-3771-5897) |
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| j-l paillaud researcher (ORCID 0000-0003-0280-3248) |
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| j-l fauquert researcher |
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Roy, Meunier, St-Onge, Cormier, Couture, Prigent, Provost, Goyette, Gelinas, Lambert, Leblanc, Turgeon, Bergeron, Belanger, Beaulieu, Bouchard, Bilodeau, Paquette, Rousseau, Gauthier, Levesque, Tremblay, Hebert, Pelletier, Lavoie, Goulet, Cote, Dube, Masse, Morin, Auger, Blais, Gagne, Houle, Martin, Simard, Allard, Bolton, Proulx, Poulin, Picard, Plante, Robert, Renaud, Demers, Drolet, Gagnon, Landry, and Charbonneau