| 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 |
