| Jar Jar Binks | Jar Jar Binks |
| Jar of Flies | Jar of Flies |
| Jarabá | Jarabá |
| Jarama | Circuito Permanente del Jarama |
| Jardim | Jardin |
| Jardin du Luxembourg | Giardino del Lussemburgo |
| Jared Diamond | Jared Diamond |
| Jared Leto | Jared Leto |
| Jared Padalecki | Jared Padalecki |
| jargon | gergo |
| Jargon File | Jargon File |
| Jari Kainulainen | Jari Kainulainen |
| Jari Litmanen | Jari Litmanen |
| Jarilo | Jarylo |
| Jariyan al Batnah | Jariyan al Batnah |
| Jarl | Generale |
| Jarmen | Jarmen |
| Jarnac | Jarnac |
| Jarnail Singh Bhindranwale | Jarnail Singh Bhindranwale |
| Jarno Saarinen | Jarno Saarinen |
| Jarno Trulli | Jarno Trulli |
| Jarnsaxa | Jarnsaxa |
| Jaromír Blažek | Jaromír Blažek |
| Jaromír Jágr | Jaromír Jágr |
| Jaromír Nohavica | Jaromír Nohavica |
| Jarosite | Jarosite |
| Jaroslav Hašek | Jaroslav Hašek |
| Jaroslav Heyrovský | Jaroslav Heyrovský |
| Jaroslav Seifert | Jaroslav Seifert |
| Jarosław Iwaszkiewicz | Jarosław Iwaszkiewicz |
| Jarosław Kaczyński | Jarosław Kaczyński |
| Jarque-Bera test | Test di Jarque-Bera |
| jarring | discorde |
| Jarvis | Isole minori esterne degli Stati Uniti |
| Jarvis Island | Isola Jarvis |
| Jascha Heifetz | Jascha Heifetz |
| Jasenie | Jasenie |
| Jasenovac concentration camp | Campo di concentramento di Jasenovac |
| Jasenovac municipality | Jasenovac |
| Jasień | Fraxinus |
| jasmine | gelsomino |
| Jasna Góra Monastery | Santuario di Częstochowa |
| Jason | Giasone |
| Jason Freese | Jason Jeremy Freese |
| Jason Kay | Jason Kay |
| Jason Lee | Jason Lee |
| Jason Mayélé | Jason Mayélé |
| Jason McCaslin | Jay McCaslin |
| Jason Mizell | Jason Mizell |
| Jason Muzzatti | Jason Mark Muzzatti |
| Jason Newsted | Jason Newsted |
| Jason Patric | Jason Patric |
| Jason Reso | William Jason Reso |
| Jason Statham | Jason Statham |
| Jason Voorhees | Jason Voorhees |
| Jason X | Jason X |
| Jason Čulina | Jason Čulina |
| Jasov | Jasov |
