Author
- Abū ʻabd Allāh al-Fāsī1
- Abū Ṭāhir al-Samarqandī1
- Accademia degli Umoristi1
- Acciaioli family1
- Accursius1
- Achilles Statius1
- Ad-Dardir1
- Ad-Desouki1
- Adam Luce Dominici1
- Adam of Bockenfield1
- Adam of Eynsham1
- Adhraʻī, Abū Bakr ibn Aḥmad1
- Adranawī, Ibrāhīm ibn ḥamzah, d. 1557 or 81
- Adrian VI1
- Adrien de le Borve1
- Aelianus Tacticus1
- Agnes de Cavaciis1
- Agnes de Claustris1
- Agnivesa1
- Agniveśamuni1