Former Owner
- Walter van Wijk1
- Wasservas1
- Wilfred Merton1
- Wilhelm Junk1
- William Bingley1
- William Bragge1
- William F. Fratcher1
- William Foyle1
- William H. Robinson Ltd.1
- William H. Schab1
- William Keeney Bixby1
- William Noel-Hill, 3rd Baron Berwick1
- William Pickering1
- Wolfman, Wm1
- Yahya Ben Salem1
- Yohannes Walda Nagwadgwad1
- Yāsīn ibn ʻAbd al-Wahhāb al-Siṭrābī1
- Zane, Hieronymus1
- Zāwiyah al-Nāṣiriyah1
- al-Ḥājj ʻAbd al-Qādir ibn al-Sayyid ʻAbd Allāh al-Asṭawānī1