Encyclopedias, Almanacs, Transcripts, and Maps
- Mystical Night (of the Sufis)
- Myzostomids: Myzostomida
- N-Body Problem
- Nabu-rimanni
- Nacht, Sacha (1901-)
- Nadabrahmananda Saraswati, Swami(1896-?)
- Naddeo, Alighiero (1930-)
- Nain Singh
- Nakaidokilini (d. 1881)
- Nancy Wexler
- Nanoethics
- Napellus
- Naphology
- Napper (or Napier), Richard (1559-1634)
- Narinder S. Kapany
- Narrow-Mouthed Frogs: Microhylidae
- NASA Covers Up Evidence of Alien Life on Mars
- Nash, Carroll B(lue) (1914-1998)
- Nash, Catherine S(tifler) (Mrs. Carroll B. Nash) (1919-)
- Nasir al-Din al-Tusi