Author
- Walter Map1
- Werner Rolevinck1
- Willem Vrelant1
- William Babington1
- William Bonyngton1
- William Langland1
- William Lyndwood1
- William Perault1
- William de Montibus1
- William of Montlauzun1
- William of Paris1
- William of St-Thierry1
- Wāḥidī Nīsābūrī1
- Xenophon1
- Yazıcı Salahuddin1
- Yaḥyá ibn Abī Bakr al-Ḥanafī1
- Yaḥyá ibn Mūsá Rahūnī1
- Yusuf ibn Ismail al-Kutubi1
- Yūsuf Ibn-al-Ḥasan Ibn-al-Mibrad1
- Yūsuf ibn Aḥmad Sijistānī1