Author
- Nemicandrasūri1
- Nizam al-Din al-Nisaburi1
- Niʻmat Allāh ibn Aḥmad Khalīl Ṣūfī1
- Nūr al-Ḥaqq ibn ʻAbd al-Ḥaqq Dihlavī1
- Nūḥ ibn Muṣṭafá Rūmī1
- Okçuzade Mehmet Sahî1
- Omar Khayyám1
- Pedro de Valencia1
- Petrus Apianus1
- Pope1
- Quṭb Jamāl al-Dīn Aḥmad Hānsavī1
- Qāsim ibn Ṣalāḥ al-Dīn Khānī1
- Raghudeva Nyāyālaṅkāra1
- Rajab al-Bursi1
- Ramazanzade Mehmed Çelebi1
- Rayḥān Āghā ibn ʻAbd Allāh1
- Raḍī, Muḥammad ibn ʻAlāʾ al-Dīn1
- Renchius, Henricus1
- Rājiḥ ibn Ismāʻīl Ḥillī1
- Sadr al-Din al-Qunawi1