Author
- Waḍḍāḥī, Jamāl al-Dīn ibn Ziyād1
- Werner Rolevinck1
- William Bourne1
- William IV, Landgrave of Hesse-Kassel1
- William Lambarde1
- William Rothwell1
- William of Auxerre1
- William of Conches1
- William of Nangis1
- William of Ockham1
- William of Paris1
- William of Tyre1
- William of Waddington1
- Wolf Michel1
- Xenophon1
- Ya'qub al-Jarkhi1
- Yaakov de Castro1
- Yakov Sikily1
- Yamanī, ʻĪsá ibn Luṭf Allāh, 1578 or 9-16381
- Yaqut al-Hamawi1