Author
- Pietro Magno1
- Pius III1
- Platonic Academy1
- Pomponius Mela1
- Pope1
- Porphyry1
- Priori (Florence)1
- Priscian1
- Pseudo-Phalaris1
- Qasem-e Anvar1
- Qāz̤ī Muḥammad Aʻlá1
- Ramon Llull1
- Republic of Venice1
- Richard Fishacre1
- Richard II of England1
- Robert Cooke1
- Robert de Saint-Martin1
- Rukn ibn Sharaf al-Dīn Āmulī1
- Sadr al-Shari'a al-Asghar1
- Sadreddinzade Şirvani1