| jiráfido | giraffid |
| jirón | shred |
| Jirō Taniguchi | Jiro Taniguchi |
| jiu jitsu | jujitsu |
| jiu-jitsu | jiujitsu |
| Jiuzhaigou | Jiuzhaigou Valley |
| Jiva | Khiva |
| jiñar | defecate |
| Jiří Paroubek | Jiří Paroubek |
| JJ | JJ |
| JK Kalev Tallinn | JK Kalev Tallinn |
| JK Maag Tammeka | JK Maag Tammeka Tartu |
| JK Narva Trans | FC Narva Trans |
| JK Sadam Tallinn | Tallinna Sadam JK |
| JK Vaprus Pärnu | JK Pärnu Vaprus |
| JK Viljandi Tulevik | JK Viljandi Tulevik |
| JLime | Jlime |
| JMF | Java Media Framework |
| JMS | Java Message Service |
| JMX | Java Management Extensions |
| JNDI | Java Naming and Directory Interface |
| Jnum | Khnum |
| Jo Bonnier | Joakim Bonnier |
| Jo Siffert | Jo Siffert |
| Joab | Joab |
| Joachim | Joachim |
| Joachim du Bellay | Joachim du Bellay |
| Joachim Murat | Joachim Murat |
| Joachim Nikolas Eggert | Joachim Nicolas Eggert |
| Joachim Patinir | Joachim Patinir |
| Joachim Peiper | Joachim Peiper |
| Joachim Raff | Joachim Raff |
| Joachim von Ribbentrop | Joachim von Ribbentrop |
| Joal-Fadiouth | Joal-Fadiouth |
| Joan Baez | Joan Baez |
| Joan Blaeu | Joan Blaeu |
| Joan Bodon | Joan Bodon |
| Joan Chen | Joan Chen |
| Joan Clos | Joan Clos i Matheu |
| Joan Corominas | Joan Coromines |
| Joan Crawford | Joan Crawford |
| Joan Crespí Fiol | Juan Crespí |
| Joan de Arcadia | Joan of Arcadia |
| Joan Enric Vives | Joan Enric Vives Sicília |
| Joan Enric Vives Sicília | Joan Enric Vives Sicília |
| Joan Fontaine | Joan Fontaine |
| Joan García Oliver | Juan García Oliver |
| Joan Laporta | Joan Gaspart |
| Joan Lino | Joan Lino Martínez |
| Joan Llaneras Roselló | Joan Llaneras |
| Joan Miró | Joan Miró |
| Joan Riudavets | Joan Riudavets |
| Joan Robinson | Joan Robinson |
| Joan Sutherland | Joan Sutherland |
| Joan Verdú | Joan Verdú Fernández |
| Joanna Newsom | Joanna Newsom |
| Joanne Woodward | Joanne Woodward |
| Joanot Martorell | Joanot Martorell |
| Joao Fernando Nelo | Fernando Baiano |
| Joaquim Alberto Chissano | Joaquim Chissano |
| Joaquim Machado de Assis | Joaquim Maria Machado de Assis |
| Joaquim Rodríguez | Joaquim Rodríguez |
| Joaquín | Joaquín |
| Joaquín Almunia | Joaquín Almunia |
| Joaquín Balaguer | Joaquín Balaguer |
| Joaquín Blake | Joaquín Blake y Joyes |
| Joaquín Crespo | Joaquín Crespo |
| Joaquín de Fiore | Joachim of Fiore |
| Joaquín de la Pezuela | Joaquín de la Pezuela |
| Joaquín Jovellar | Joaquín Jovellar y Soler |
| Joaquín Murat | Joachim Murat |
| Joaquín Navarro-Valls | Joaquín Navarro-Valls |
| Joaquín Phoenix | Joaquin Phoenix |
| Joaquín Rodrigo | Joaquín Rodrigo |
| Joaquín Sabina | Joaquín Sabina |
| Joaquín Sorolla | Joaquín Sorolla y Bastida |
| Joaquín Sánchez Rodríguez | Joaquín Sánchez |
| Joaquín Turina | Joaquín Turina |
| Jobo | Spondias mombin |
| Jocelyn Bell Burnell | Jocelyn Bell Burnell |
| Jochen Rindt | Jochen Rindt |
| Jochi | Jochi |
| jochi colorado | agouti |
| jockey | hockey |
| jocoserio | seriocomic |
| jocosidad | facetiousness |
| jocoso | joking |
| Jocunda | Mona Lisa |
| jocundo | jocund |
| Jodelle Ferland | Jodelle Ferland |
| joder | fool around |
| jodible | fuckable |
| jodido | screwed |
| Jodie Foster | Jodie Foster |
| jodienda | fucking |
