| J League | Championnat du Japon de football |
| J sharp | J sharp |
| J-Curve | Courbe en J |
| J-League | Championnat du Japon de football |
| J-Pop | Jpop |
| J-Rock | Rock japonais |
| J.D. Salinger | J. D. Salinger |
| Jaan Kirsipuu | Jaan Kirsipuu |
| Jaan Kross | Jaan Kross |
| Jaap de Hoop Scheffer | Jaap de Hoop Scheffer |
| Jaap Stam | Jaap Stam |
| Jabba the Hutt | Jabba le Hutt |
| Jabber | Jabber |
| Jabberwocky | Jabberwocky |
| Jaberg | Jaberg |
| Jablanica | Jablanica |
| Jableh | Jabala |
| Jabloko | Iabloko |
| jabot | jabot |
| Jaca | Jaca |
| Jacana jacana | Jacana noir |
| Jacen Solo | Jacen Solo |
| Jacint Verdaguer | Jacint Verdaguer |
| Jacinto Benavente | Jacinto Benavente |
| Jack Black | Jack Black |
| Jack Brabham | Jack Brabham |
| Jack Bruce | Jack Bruce |
| Jack Coleman | Jack Coleman |
| Jack Dempsey | Jack Dempsey |
| Jack e la pianta di fagioli | Jack et le Haricot magique |
| Jack Finney | Jack Finney |
| Jack il saltatore | Jack Talons-à-Ressort |
| Jack Johnson | Jack Johnson |
| Jack Kerouac | Jack Kerouac |
| Jack Kirby | Jack Kirby |
| Jack Lang | Jack Lang |
| Jack Lemmon | Jack Lemmon |
| Jack lo squartatore | Jack l'éventreur |
| Jack London | Jack London |
| Jack Lousma | Jack Lousma |
| Jack Lynch | Jack Lynch |
| Jack Nance | Jack Nance |
| Jack Nicholson | Jack Nicholson |
| Jack Palance | Jack Palance |
| jack rabbit | lièvre américain |
| Jack RadCliffe | Jack Radcliffe |
| Jack Ruby | Jack Ruby |
| Jack Russell Terrier | Jack Russell Terrier |
| Jack Shephard | Jack Shephard |
| Jack Skeletron | Jack Skellington |
| Jack Sparrow | Jack Sparrow |
| Jack Steinberger | Jack Steinberger |
| Jack Straw | Jack Straw |
| Jack Swigert | Jack Swigert |
| Jack Vance | Jack Vance |
| Jack Williamson | Jack Williamson |
| Jackalope | Jackalope |
| Jacketa | Jacketa |
| Jackie Brown | Jackie Brown |
| Jackie Chan | Jackie Chan |
| Jackie Coogan | Jackie Coogan |
| Jackie Stewart | Jackie Stewart |
| Jackson | Jackson |
| Jackson County | Comté de Jackson |
| Jackson Pollock | Jackson Pollock |
| Jacksonville | Jacksonville |
| Jacksonville Jaguars | Jaguars de Jacksonville |
| Jacky Ickx | Jacky Ickx |
