| jargon | jerga |
| Jargon File | Archivo de la jerga |
| Jari Kainulainen | Jari Kainulainen |
| Jari Litmanen | Jari Litmanen |
| Jarkko Oikarinen | Jarkko Oikarinen |
| Jarl | General |
| Jarl in Sweden | Jarl |
| Jarlaxle | Jarlaxle |
| Jarlsberg cheese | Jarlsberg |
| Jarnail Singh Bhindranwale | Jarnail Singh Bhindranwale |
| Jarno Trulli | Jarno Trulli |
| Jarnsaxa | Jarnsaxa |
| Jarosite | Jarosita |
| Jaroslav | Yaroslavl |
| Jaroslav Hašek | Jaroslav Hašek |
| Jaroslav Heyrovský | Jaroslav Heyrovsky |
| Jaroslav Seifert | Jaroslav Seifert |
| Jarosław | Yaroslavl |
| Jarosław Kaczyński | Jarosław Kaczyński |
| Jarvis | Islas Ultramarinas de Estados Unidos |
| Jarvis Island | Isla Jarvis |
| Jascha Heifetz | Jascha Heifetz |
| Jasień | Fraxinus |
| Jasione | Jasione |
| Jaskinia Raj | Jaskinia Raj |
| jasmine | jazmín |
| Jasmine rice | Arroz jazmín |
| Jasmund National Park | Parque Nacional de Jasmund |
| Jason | Jasón |
| Jason and the Argonauts | Jasón y los argonautas |
| Jason Donovan | Jason Donovan |
| Jason Freese | Jason Freese |
| Jason Islands | Islas Sebaldes |
| Jason Kay | Jay Kay |
| Jason Lee | Jason Lee |
| Jason McCaslin | Jason McCaslin |
| Jason Mizell | Jam Master Jay |
| Jason Newsted | Jason Newsted |
| Jason Reso | Jason Reso |
| Jason Statham | Jason Statham |
| Jason Tahincioglu | Jason Tahincioglu |
| Jason Voorhees | Jason Voorhees |
| Jason Čulina | Jason Čulina |
| jasper | jaspe |
| Jasper Johns | Jasper Johns |
| Jasper National Park | Parque Nacional Jasper |
| Jastorf culture | Cultura de Jastorf |
| Jastrabá | Accipiter nisus |
| Jastrow illusion | Ilusión de Jastrow |
| Jastrzębie-Zdrój | Jastrzębie-Zdrój |
| Jastrzębiec coat of arms | Hieracium |
| Jat Airways | JAT Airways |
| Jatropha | Jatrofa |
| Jatropha curcas | Jatropha curcas |
| Jauja Province | Provincia de Jauja |
| Jaume Balmes | Jaime Balmes |
| Jaume I University | Universidad Jaume I de Castellón |
| Jaun | Jaun |
| jaundice | ictericia |
| jaunt | paseo |
| jaunty | garboso |
| Java | Java |
| Java Agent DEvelopment framework | Jade |
| Java annotation | Anotación Java |
| Java API for XML Processing | JAXP |
| Java applet | Applet Java |
| Java Authentication and Authorization Service | JAAS |
| Java bytecode | Java bytecode |
| Java coffee | Java |
| Java Database Connectivity | JDBC |
| Java Desktop System | Java Desktop System |
| Java Development Kit | JDK |
| Java EE Connector Architecture | Java EE Connector Architecture |
| Java Foundation Classes | Java Foundation Classes |
| Java Management Extensions | JMX |
| Java Media Framework | JMF |
| Java Message Service | JMS |
| Java Naming and Directory Interface | JNDI |
| Java Native Interface | Java Native Interface |
| Java OpenGL | JOGL |
| Java package | Paquete de software |
| Java Persistence API | Java Persistence API |
| Java Platform | Java platform |
| Java Programming | Programación en Java |
| Java programming language | Lenguaje de programación Java |
| Java remote method invocation | RMI |
| Java Runtime Environment | Java Runtime Environment |
| Java Sea | Mar de Java |
| Java Servlet | Java Servlet |
| Java Virtual Machine | Máquina virtual Java |
| JavaBean | JavaBeans |
| Javan | Idioma javanés |
| Javan Rhinoceros | Rhinoceros sondaicus |
| Javan Tiger | Panthera tigris sondaica |
| Javanese | javanés |
| Javanese language | Idioma javanés |
| Javanese man | Idioma javanés |
| Javanese people | Idioma javanés |
| Javanese woman | Javanesa |
| Javanroud | Javanrood |
| JavaScript | JavaScript |
| JavaServer Faces | JavaServer Faces |
| JavaServer Pages | Java Server Pages |
| javelin | jabalina |
| Javi Martínez | Javier Martínez Aginaga |
| Javi Venta | Javier Rodríguez Venta |
| Javier | Javier |
| Javier Aguirre | Javier Aguirre |
| Javier Balboa | Javier Ángel Balboa |
| Javier Bardem | Javier Bardem |
| Javier Casas | Javier Casas Cuevas |
| Javier Cercas | Javier Cercas |
| Javier Chevantón | Ernesto Javier Chevantón |
| Javier Clemente | Javier Clemente |
| Javier de Pedro | Francisco Javier de Pedro |
| Javier Echevarría Rodríguez | Javier Echevarría Rodríguez |
| Javier Farinós | Francisco Javier Farinós |
| Javier Iturriaga Arrillaga | Javier Iturriaga |
| Javier Lozano Alarcón | Javier Lozano Alarcón |
| Javier Lozano Barragán | Javier Lozano Barragán |
| Javier Marías | Javier Marías |
| Javier Mascherano | Javier Mascherano |
| Javier Navarro | Javi Navarro |
| Javier Otxoa | Javier Otxoa |
| Javier Portillo | Javier García Portillo |
| Javier Pérez de Cuéllar | Javier Pérez de Cuéllar |
| Javier Saviola | Javier Saviola |
| Javier Solana | Javier Solana |
| Javier Sánchez | Javier Sánchez Vicario |
| Javier Urruticoechea | Francisco Javier González Urruticoechea |
| Javine Hylton | Javine Hilton |
| jaw | mandíbula |
| Jaw vice | Torno |
| Jaw vise | Torno |
| Jawa Motors | Java |
| Jawaharlal Nehru | Sri Pandit Jawaharlal Nehru |
| jawbone | mandíbula |
| Jawi | Jawi |
| Jawi script | Jawi |
| Jaworzno | Jaworzno |
| Jax | Jax |
| jay | arrendajo |
| Jay and Silent Bob Strike Back | Jay y Bob el Silencioso contraatacan |
| Jay Cutler | Jay Cutler |
| Jay Hernandez | Jay Hernández |
| Jay Miner | Jay Miner |
| Jay Treaty | Tratado Jay |
| Jay Wright Forrester | Jay Forrester |
| Jay-Jay Johanson | Jay-Jay Johanson |
| Jay-Jay Okocha | Augustine Okocha |
| Jay-Z | Jay-Z |
| Jaya Bachchan | Jaya Bachchan |
| Jayant Narlikar | Jayant Narlikar |
| Jayapura | Jayapura |
| Jayavarman VII | Jayavarman VII |
| Jayce and the Wheeled Warriors | Jayce y los Guerreros Rodantes |
| Jayhawk State | Kansas |
| Jayhawker | Jayhawkers |
| Jayne Ann Krentz | Jayne Ann Castle Krentz |
| jaywalker | peatón imprudente |
| Jazira | Algeciras |
| jazz | jazz |
| Jazz at the Philharmonic | JATP |
| Jazz blues | Jazz blues |
| Jazz fusion | Jazz fusión |
| Jazz rap | Jazz rap |
| Jazz royalty | Realeza del Jazz |
| Jazz standard | Estándar Internacional |
| Jaén | Provincia de Jaén |
| Jbel Toubkal | Jbel Toubkal |
| JBL | AUDIOJBL |
| JBoss | JBoss |
| JBoss application server | JBoss |
| JCDecaux | JCDecaux |
| jealous | codicioso |
| jealousy | celos |
| Jean Alesi | Jean Alesi |
| Jean Alingué Bawoyeu | Jean Alingué Bawoyeu |
| Jean Anouilh | Jean Anouilh |
| Jean Anthelme Brillat-Savarin | Jean Anthelme Brillat-Savarin |
| Jean Auguste Dominique Ingres | Jean Auguste Dominique Ingres |
| Jean Baptiste Christophore Fusée Aublet | Jean Baptiste Christophore Fusée Aublet |
| Jean Baptiste Joseph Delambre | Jean Baptiste Joseph Delambre |
| Jean Baptiste Kléber | Jean Baptiste Kléber |
| Jean Baptiste Massillon | Jean-Baptiste Massillon |
| Jean Baptiste Perrin | Jean Perrin |
| Jean Baudrillard | Jean Baudrillard |
| Jean Bodel | Jean Bodel |
| Jean Bodin | Jean Bodin |
| Jean Buridan | Jean Buridan |
| Jean Cabanis | Jean Cabanis |
| Jean Cardinal Daniélou | Jean Daniélou |
| Jean Casimir-Perier | Jean Casimir-Perier |
| Jean Charest | Jean Charest |
| Jean Charles Athanase Peltier | Jean Peltier |
| Jean Charles Léonard de Sismondi | Jean Charles Leonard de Sismondi |
| Jean Chouan | Jean Cottereau |
| Jean Cocteau | Jean Cocteau |
| Jean Daurat | Jean Dorat |
| Jean Dausset | Jean Dausset |
| Jean de Béthencourt | Juan de Bethencourt |
| Jean de Gisors | Jean de Gisors |
| Jean de Joinville | Jean de Joinville |
| Jean de La Bruyère | Jean de la Bruyère |
| Jean de La Fontaine | Jean de La Fontaine |
| Jean de Lattre de Tassigny | Jean de Lattre de Tassigny |
| Jean de Meun | Jean de Meung |
| Jean de Muris | Johannes de Muris |
| Jean Desmarets | Jean Desmarets de Saint-Sorlin |
| Jean Dubuffet | Jean Dubuffet |
| Jean Eudes | Juan Eudes |
| Jean Fautrier | Jean Fautrier |
| Jean Fernel | Jean François Fernel |
| Jean Fouquet | Jean Fouquet |
| Jean Froissart | Jean Froissart |
| Jean Gabin | Jean Gabin |
| Jean Genet | Jean Genet |
| Jean Giraud | Jean Giraud |
| Jean Giraudoux | Jean Giraudoux |
| Jean Grey | Jean Grey |
| Jean Guillaume Auguste Lugol | Jean Guillaume Auguste Lugol |
| Jean Harlow | Jean Harlow |
| Jean Henri Fabre | Jean Henri Fabre |
| Jean Hey | Maestro de Moulins |
| Jean Hyppolite | Jean Hyppolite |
| Jean Jacques Régis de Cambacérès | Jean Jacques Régis de Cambacérès |
| Jean Jaurès | Jean Jaurès |
| Jean Joseph Marie Amiot | Joseph-Marie Amiot |
| Jean Joseph Rabearivelo | Jean-Joseph Rabearivelo |
| Jean Jouvenet | Jean Jouvenet |
| Jean Lafitte | Jean Lafitte |
| Jean Lannes | Jean Lannes |
| Jean Le Fevre | Jean Le Fèvre |
| Jean Louis Marie Poiseuille | Jean Louis Marie Poiseuille |
| Jean Mabillon | Jean Mabillon |
| Jean Marais | Jean Marais |
| Jean Marc Gaspard Itard | Jean Itard |
