Former Owner
- Yaakov Ibn Atar1
- Yahya Ben Salem1
- Yahya Gimani1
- Yahya ben Yosef Eina1
- Yajñeśvara Bhaṭṭa1
- Yitzhak Nahum Kuzi1
- Yoda ben Haim1
- Yohannes Walda Nagwadgwad1
- Yosef Ben Said Altanami1
- Yosef ben Shmuel Zabri2
- Yāsīn ibn ʻAbd al-Wahhāb al-Siṭrābī1
- Yūsuf ibn Shaykh Muḥammad Jamālī1
- Zachariah ben Saadia Zahari1
- Zachariah ben Yosef Alkarni1
- Zahn, Brian1
- Zane, Hieronymus1
- Zanichelli, Mauro1
- Zayn al-Din al-Juba'i al'Amili2
- Zosa Szajkowski1
- Zuccaro, Nello, active 20th century1