| Jayhawk State | Kansas |
| Jaz | JAZ |
| Jazira | Algeciras |
| Jazmin Avendaño | Jazmin Avendaño |
| jazz | jazz |
| Jazz From Hell | Jazz from Hell |
| Jazz fusion | Fusion |
| Jazz Jackrabbit | Jazz Jackrabbit |
| Jazz Mandolin Project | The Jazz Mandolin Project |
| Jazz rap | Jazz rap |
| Jazz scale | Scala blues |
| Jaén | Provincia di Jaén |
| Jaú National Park | Parco nazionale Jau |
| JB | JB |
| JBoss | JBoss |
| JBoss application server | JBoss |
| Jc | JC |
| JD | ID |
| jealous | geloso |
| jealousness | gelosia |
| jealousy | gelosia |
| Jean Alesi | Jean Alesi |
| Jean Anouilh | Jean Anouilh |
| Jean Anthelme Brillat-Savarin | Anthelme Brillat-Savarin |
| Jean Auguste Dominique Ingres | Jean-Auguste-Dominique Ingres |
| Jean Baptiste Francois Pitra | Jean-Baptiste-François Pitra |
| Jean Baptiste François Pierre Bulliard | Jean Baptiste Bulliard |
| Jean Baptiste Kléber | Jean-Baptiste Kléber |
| Jean Bart | Jean Bart |
| Jean Baudrillard | Jean Baudrillard |
| Jean Bodel | Jean Bodel |
| Jean Bodin | Jean Bodin |
| Jean Bruller | Vercors |
| Jean Buridan | Giovanni Buridano |
| Jean Cabanis | Jean Louis Cabanis |
| Jean Cardinal Daniélou | Jean Daniélou |
| Jean Casimir-Perier | Jean Casimir-Perier |
| Jean Charles Athanase Peltier | Jean Charles Athanase Peltier |
| Jean Charles Dominique de Lacretelle | Charles de Lacretelle |
| Jean Charles Léonard de Sismondi | Jean Charles Leonard Simonde de Sismondi |
| Jean Cocteau | Jean Cocteau |
| Jean de Brébeuf | San Giovanni de Brébeuf |
| Jean de Dunois | Dunois |
| Jean de Gisors | Jean de Gisors |
| 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 |
