| jaeger | stercoraire |
| Jael | Yaël |
| Jaffa | Jaffa |
| Jaffe | Jaffe |
| Jaffna | Jaffna |
| Jagadish Chandra Bose | Jagadish Chandra Bose |
| Jagannath | Jagannâtha |
| Jagdish Bhagwati | Jagdish Bhagwati |
| Jagdpanther | Jagdpanzer V |
| Jagdpanzer IV | Jagdpanzer IV |
| Jagdtiger | Jagdpanzer VI |
| jagged | irrégulier |
| Jagged Alliance series | Jagged Alliance |
| jaggy | irrégulier |
| Jagiellon dynasty | Jagellon |
| Jagiellonian University | Université jagellonne de Cracovie |
| Jagodina | Jagodina |
| Jagsthausen-Olnhausen | Jagsthausen-Olnhausen |
| jaguar | jaguar |
| Jaguar Cars | Jaguar |
| Jaguar E-type | Jaguar type E |
| Jaguar Racing | Jaguar Racing |
| Jaguar S-Type | Jaguar S-Type |
| Jaguar X-Type | Jaguar X-Type |
| Jaguar XJ | Jaguar XJ |
| Jaguares de Chiapas | Jaguares de Chiapas |
| Jaguarão River | Rio Jaguarão |
| Jagulep | Hybride Panthera |
| Jah | Jah |
| Jahanara Begum Sahib | Jahanara Begum |
| Jahangir | Jahângîr |
| Jahiliyyah | Jahiliya |
| Jahn Regensburg | Jahn Regensburg |
| Jahn-Teller effect | Effet Jahn-Teller |
| Jahnsdorf | Jahnsdorf |
| Jahorina | Jahorina |
| Jahveh | YHWH |
| Jahwist | Document jahviste |
| Jai Guru Deva Om | Jai Guru Deva Om |
| jail | cabane |
| jail sentence | emprisonnement |
| jailbird | récidiviste |
| jailbreak | évasion de prison |
| jailer | gardien |
| Jailhouse Rock | Jailhouse Rock |
| jailor | gardien |
| Jaime Gama | Jaime Gama |
| Jaime Gavilán Martínez | Jaime Gavilán Martínez |
| Jaime Graça | Jaime Graça |
| Jaime Hernandez | Jaime Hernandez |
| Jaime Laredo | Jaime Laredo |
| Jaime Lucas Ortega y Alamino | Jaime Lucas Ortega y Alamino |
| Jaime Roldos Aguilera | Jaime Roldós Aguilera |
| Jaime Roldós Aguilera | Jaime Roldós Aguilera |
| Jaime Sin | Jaime Sin |
| Jaime Zudáñez Province | Province de Jaime Zudáñez |
| Jaina Solo | Jaina Solo |
| Jainism | Jaïnisme |
| Jaipur | Jaipur |
| Jair | Jaïr |
| Jairzinho | Jairzinho |
| Jajarkot District | District de Jajarkot |
| Jaka Lakovič | Jaka Lakovič |
