Encyclopedias, Almanacs, Transcripts, and Maps
- Nasir al-Din al-Tusi
- NASO International Astrological Directory
- Nastrond
- Nathanael Pringsheim
- Nathaniel Convers Wyeth
- Nathaniel Highmore
- National Academies
- National Aeronautics and Space Administration (NASA)
- National Astrological Association (NAA)
- National Astrological Society (NASO)
- National Colored Spiritualist Association of Churches
- National Council for Geocosmic Research Journal
- National Council for Geocosmic Research(NCGR)
- National Directory of Psychic Counselors
- National Enquirer (Newspaper)
- National Federation of Spiritual Healers(NFSH)
- National Geological Surveys
- National Institute of Justice
- National Investigations Committee on Aerial Phenomena (NICAP)
- National Investigations Committee on UFOs(NICUFO)