Former Owner
- Arthur Thomas Bannister1
- Arthur Vershbow2
- Arthur de l'Isle du Dréneuc1
- Asahel Grant1
- Ashridge Priory3
- Ashton Lever1
- Ashton Rollins Sanborn1
- Assemani family1
- Athelstan Riley1
- Audry Wilkens1
- August Merz1
- Augustinus de Cagnolis1
- Aulne Abbey2
- Austin, Jehan1
- Avraham Yedidiah Levi1
- Avraham ben Yahya1
- Aytmish al-Bajasī, Amīr, -14001
- Aḥmad Rifʻat ibn al-Ḥājj Muḥammad Fākhir Z̤amāqavī1
- Aḥmad ibn Mubārak Luṭf Allāh1
- Aḥmad ibn Muṣṭafá1