Author
- Jayarāmanyāyapañcānana1
- Johanna Hawkeslowe (Sr.)1
- John Chrysostom1
- John Cleseby1
- Juan Valenzuela Velázquez1
- Juan Vicente de Güemes, 2nd Count of Revillagigedo1
- Juan de Foxá1
- Juan de Mongaston1
- Juana I of Castile1
- Jñānamṛtapata1
- Kamalakara1
- Kapila1
- Kauśikarāma1
- Keśava Kavirāja1
- Keśavamiśra1
- Keśavācārya1
- Khwaja Abdullah Ansari1
- Khālid ibn ʻAbd Allāh al-Azharī1
- Kramadīśvara1
- Kāśirāja1