- James, the Greater, Saint4
- Jaymes, Diego1
- Jerónima de la Asunción, madre, 1555-16301
- Jesuit drama, Spanish1
- Jesuits4
- Jesus Christ19
- Jewish calendar1
- Jewish interpretations of Jesus Christ1
- Jewish law1
- Jews9
- Jews--Persecutions2
- Jiménez de Cisneros, Francisco, 1436?-15171
- Jiménez de Enciso family1
- Jiménez de Enciso, Andrés1
- Jiménez de Enciso, Diego1
- Jiménez de Enciso, Pedro1
- John Chrysostom, Saint, -40718
- John II, King of Aragon, 1397-14791
- Juan II, King of Castile and Leon, 1405-14541
- Juana, la Loca, Queen of Castile, 1479-15552