| J antenna | J-Antenne |
| J as in Jig | J wie Julius |
| J cup | J-Körbchen |
| J curve | J-Kurve |
| J Dilla | J Dilla |
| J for Jack | J wie Julius |
| J pole antenna | J-Antenne |
| J Sharp | J-Sharp |
| J-blade | Mulchmesser |
| J-bolt | Hakenschraube |
| J-box | Muldenwarenspeicher |
| J-Cat | Depression |
| J-class yacht | J-Klasse |
| J-cup | J-Körbchen |
| J-curve | J-Kurve |
| J-curves | J-Kurven |
| J-display | J-Shirmbild |
| J-pop | J-Pop |
| J-pop : Japanese pop music | J-Pop |
| J-shaped blade | Säbelmesser |
| J-shaped growth form | exponentielles Wachstum |
| J-tube | Muldenwarenspeicher |
| J-turn | Herbst-Manöver |
| J. D. Salinger | Jerome David Salinger |
| J. Gander Hooter | Direktor Julius Ganter |
| J. Habakuk Jephson's Statement | Variation um das Geheimnis der Mary Celeste |
| J. M. Barrie | J. M. Barrie |
| J. R. | Wer klopft denn da an meine Tür_ |
| J.A.G. | J.A.G. - Im Auftrag der Ehre |
| J.S.A.: Joint Security Area | JSA - Joint Security Area |
| ja | ja |
| Ja River scrub warbler | Gabunbuschsänger |
| Ja River scrub-warbler | Gabunbuschsänger |
| ja river warbler | Gabunbuschsänger |
| jaagsiekte | Jaagsiekte |
| Jaan Anvelt | Jaan Anvelt |
| Jaan Kaplinski | Jaan Kaplinski |
| Jaan Kirsipuu | Jaan Kirsipuu |
| Jaan Kross | Jaan Kross |
| Jaan Poska | Jaan Poska |
| Jaan Teemant | Jaan Teemant |
| Jaan Tõnisson | Jaan Tõnisson |
| Jaana Pelkonen | Jaana Pelkonen |
| Jaap de Hoop Scheffer | Jaap de Hoop Scheffer |
| Jaap Stam | Jaap Stam |
| jab | stechen |
| jab saw | Haushaltssäge |
| Jabal al-Tair Island | Dschazirat Dschabal at-Tair |
| Jabalia | Dschabaliya |
| Jabalpur | Jabalpur |
| jabbed | gestoßen |
| jabber | stören |
| jabber away | drauflosquasseln |
| jabber away endlessly at sb. | jdm. die Ohren abquasseln |
| jabber control | Geschnattersperre |
| jabber-box | Klatschbase |
| jabberbox | Klatschbase |
| jabberer | Plauderer |
| jabbering | faselnd |
