- Angels1
- Angels--Judaism1
- Angeri, Ambrogio1
- Animals in art1
- Anjou dynasty, 1268-14421
- Annals and chronicles1
- Anne (Mother of the Virgin Mary), Saint1
- Annibale, di Capua, approximately 1544-15951
- Annunciation to the Blessed Virgin Mary1
- Antella, Francesco dell'1
- Antiphonaries (Service books)1
- Antiphons (Music)1
- Antoni, Jacopo1
- Antonio, Giuliano di1
- Antonio, Lorenzo di1
- Antonio, Piero di1
- Anumānakhaṇḍa (Gaṅgeśa)1
- Aparokṣānubhūti (Śaṅkarācārya)1
- Aphorisms (Hippocrates)1
- Aphorisms and apothegms1