| jackal | chacal |
| Jackalope | Jackalope |
| jackass | imbécile |
| jackass hare | lièvre américain |
| jackboots | bottes de cavalier |
| jackdaw | choucas |
| jacket | couverture |
| Jacket legs | Route |
| Jacketa | Jacketa |
| Jackie Brown | Jackie Brown |
| Jackie Chan | Jackie Chan |
| Jackie Coogan | Jackie Coogan |
| Jackie Joyner-Kersee | Jackie Joyner-Kersee |
| Jackie Stewart | Jackie Stewart |
| jackknife | couteau de poche |
| jackpot | pot |
| jackrabbit | lièvre américain |
| Jackson | Jackson |
| Jackson County | Comté de Jackson |
| Jackson Guitars | Jackson |
| Jackson Pollock | Jackson Pollock |
| Jackson-Gwilt Medal | Médaille Jackson-Gwilt |
| Jacksonville | Jacksonville |
| Jacksonville Jaguars | Jaguars de Jacksonville |
| Jacksonville Municipal Stadium | Jacksonville Municipal Stadium |
| Jacky Bryant | Jacky Bryant |
| Jacky Ickx | Jacky Ickx |
| Jaco Pastorius | Jaco Pastorius |
| Jacob | Jacob |
| Jacob Baradaeus | Jacques Baradée |
| Jacob Bekenstein | Jacob Bekenstein |
| Jacob ben Asher | Yaakov ben Asher |
| Jacob Bernoulli | Jacques Bernoulli |
| Jacob Bidermann | Jacob Bidermann |
| Jacob Bjerknes | Jacob Bjerknes |
| Jacob Burckhardt | Jacob Burckhardt |
| Jacob Cats | Jacob Cats |
| Jacob Clemens non Papa | Jacob Clemens non Papa |
| Jacob Ellehammer | Jacob Ellehammer |
| Jacob Emden | Jacob Emden |
| Jacob Frank | Jacob Franck |
| Jacob Fugger | Jacob Fugger |
| Jacob Georg Agardh | Jakob Georg Agardh |
| Jacob Grimm | Jacob Grimm |
| Jacob Hübner | Jakob Hübner |
| Jacob Isaakszoon van Ruysdael | Jacob van Ruisdael |
| Jacob Johan Anckarström | Jacob Johan Anckarström |
| Jacob Jordaens | Jacob Jordaens |
| Jacob Kettler | Jacques |
| Jacob Le Maire | Jacob Le Maire |
| Jacob Maxime | Jacques Fromental Halévy |
| Jacob Moleschott | Jacob Moleschott |
| Jacob Perkins | Jacob Perkins |
| Jacob Philipp Hackert | Jacob Philipp Hackert |
| Jacob Praetorius | Jacob Praetorius le jeune |
| Jacob Spon | Jacob Spon |
| Jacob Stainer | Jakobus Stainer |
| Jacob Sturm von Sturmeck | Jacques Sturm |
| Jacob Talmon | Jacob Talmon |
| Jacob Theodor Klein | Jacob Theodor Klein |
| Jacob van Artevelde | Jacob Van Artevelde |
| Jacob van Heemskerk | Jacob van Heemskerk |
| Jacob Veldhuyzen van Zanten | Jacob Veldhuyzen van Zanten |
| Jacob Viner | Jacob Viner |
| Jacobean | de l'époque de Jacques Premier |
| Jacobi identity | Relation de Jacobi |
| Jacobi method | Méthode de Jacobi |
| Jacobi polynomials | Polynôme de Jacobi |
| Jacobi symbol | Symbole de Jacobi |
| Jacobian | Matrice jacobienne |
| Jacobian matrix | Matrice jacobienne |
| Jacobin | Jacobinisme |
| Jacobin Club | Jacobinisme |
| Jacobinia | Justicia carnea |
| Jacobite | Jacobite |
| Jacobite rising | Rébellion jacobite |
| Jacobitism | Jacobitisme |
| Jacobo Arbenz Guzmán | Jacobo Arbenz Guzmán |
| Jacobsen syndrome | Syndrome de Jacobsen |
| Jacobus Arminius | Jacobus Arminius |
| Jacobus de Voragine | Jacques de Voragine |
| Jacobus Johannes Fouché | Jacobus Johannes Fouché |
| Jacobus Kapteyn | Jacobus Kapteyn |
| Jacobus Sinapius | Jacobus Sinapius |
| Jacoby Shaddix | Jacoby Shaddix |
| Jacoby transfer | Texas |
| Jacopo Amigoni | Jacopo Amigoni |
| Jacopo Bassano | Jacopo Bassano |
| Jacopo Bellini | Iacopo Bellini |
| Jacopo Contarini | Jacopo Contarini |
| Jacopo da Empoli | Jacopo Chimenti |
