Former Owner
- William Babthorpe1
- William Betham1
- William Ely1
- William Ewart Gladstone1
- William Gibbons Medlicott1
- William H. Allen1
- William Harrison Woodward1
- William Henry Black1
- William Inglis Morse1
- William King Richardson1
- William Maskell1
- William Morris1
- William Roscoe1
- Wolfgang Täxer1
- Wyndham Francis Cook1
- Yitzhak Nahum Kuzi1
- Yāsīn ibn ʻAbd al-Wahhāb al-Siṭrābī1
- Zuccaro, Nello, active 20th century1
- al-Ḥājj ʻAbd al-Qādir ibn al-Sayyid ʻAbd Allāh al-Asṭawānī1
- Ólafur Sívertsen1