Former Owner
- William Keeney Bixby1
- William Lambarde1
- William Noel-Hill, 3rd Baron Berwick1
- William Taylor Scheide1
- William Thynne1
- William Tyssen-Amherst, 1st Baron Amherst of Hackney1
- William Wadden Turner1
- Wolfgang Sigismund, Graf von Gallenberg1
- Wolfgang Täxer1
- Yahya Ben Salem1
- Yahya Gimani1
- Yahya ben Yosef Eina1
- Yajñeśvara Bhaṭṭa1
- Yitzhak Nahum Kuzi1
- Yosef Ben Said Altanami1
- Yāsīn ibn ʻAbd al-Wahhāb al-Siṭrābī1
- Yūsuf ibn Shaykh Muḥammad Jamālī1
- Zachariah ben Saadia Zahari1
- Zachariah ben Yosef Alkarni1
- Zahn, Brian1