- Burdah (Būṣīrī, Sharaf al-Dīn Muḥammad ibn Saʻīd)1
- Burelli, Bruno1
- Burhān al-Sharīʻah, Maḥmūd ibn ʻUbayd Allāh, d. 1274 or 5. Wiqāyat al-riwāyah1
- Busdraghi, Matteo, 14th century1
- Busdraghi, Nicola, 14th century1
- Busdraghi, Piero, 14th century1
- Business ethics1
- Business mathematics1
- Byzantine chants1
- Bāb al-Ḥādī ʻashar (Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf)1
- Cabala and Christianity1
- Caesarius, of Arles, Saint, 470?-5421
- Calandra, Paolo del1
- Caliphs1
- Calligraphers1
- Camaldolese1
- Canonists1
- Canticles1
- Capponi, Matteo1
- Caravaggio, Giovanni1