| J Dilla | J Dilla |
| J magnitude | Magnitud J |
| J Sharp | J Sharp |
| J-Cat | Depresión |
| J-pop | J-Pop |
| J. D. Salinger | J. D. Salinger |
| J. M. Barrie | James Matthew Barrie |
| Jaan Kirsipuu | Jaan Kirsipuu |
| Jaap de Hoop Scheffer | Jaap de Hoop Scheffer |
| Jaap Stam | Jaap Stam |
| jab | pinchazo |
| Jabal al-Tair Island | Isla Jabal al-Tair |
| Jabat Island | Jabat |
| Jabba the Hutt | Jabba el Hutt |
| jabber | algarabía |
| jabberer | charlatán |
| jabbering | charlatán |
| Jaber Al-Ahmad Al-Jaber Al-Sabah | Jaber Al-Ahmad Al-Jaber Al-Sabah |
| Jaberg | Jaberg |
| Jablanica | Jablanica |
| Jablanica District | Jablanica |
| Jablonec nad Nisou | Jablonec nad Nisou |
| jabot | chorrera |
| Jabuka | Manzana |
| Jabuticaba | Myrciaria cauliflora |
| jacaranda | jacarandá |
| Jacen Solo | Jacen Solo |
| Jacint Verdaguer | Jacinto Verdaguer |
| Jacinto Benavente | Jacinto Benavente |
| Jacinto Quincoces | Jacinto Quincoces López |
| jack | sota |
| Jack Adams Award | Trofeo Jack Adams |
| Jack Black | Jack Black |
| Jack Brabham | Jack Brabham |
| Jack Bruce | Jack Bruce |
| Jack Butler | Jack Butler |
| Jack Coleman | Jack Coleman |
| Jack daw | Corvus monedula |
| Jack Dempsey | Jack Dempsey |
| Jack Hawkins | Jack Hawkins |
| Jack Kerouac | Jack Kerouac |
| Jack Kirby | Jack Kirby |
| Jack Lemmon | Jack Lemmon |
| Jack London | Jack London |
| Jack Nance | Jack Nance |
| Jack Nicholson | Jack Nicholson |
| Jack Palance | Jack Palance |
| Jack Ruby | Jack Ruby |
| Jack Russell Terrier | Jack Russell Terrier |
| Jack Shephard | Jack Shephard |
| Jack Skellington | Jack Skellington |
| Jack Sparrow | Jack Sparrow |
| Jack Steinberger | Jack Steinberger |
| Jack Straw | Jack Straw |
| Jack Swigert | Jack Swigert |
