Author
- Prizrenli Şemʻî1
- Prudentius1
- Qasem-e Anvar1
- Qazwīnī, Aḥmad ibn ʻAbd al-Awwal, d. 15581
- Qutb al-Din al-Safawi1
- Qāsim ibn Yūsuf Abū Naṣrī Haravī1
- Ranieri Farnese1
- Ranuccio Farnese1
- Rasūl ibn Ṣāliḥ Āydīnī1
- Regiomontanus1
- Republic of Venice1
- Ressani family1
- Richard Ward1
- Ro. Ba1
- Robert Beale1
- Robert Cooke1
- Robert Fabyan1
- Rodrigo de Rueda1
- Roman Catholic Archdiocese of Siena1
- Safi al-Din al-Urmawi1