Encyclopedias, Almanacs, Transcripts, and Maps
- North American [Indian] Religions: An Overview
- North American [Indian] Religions: History of Study
- North-West Province
- Northern Province
- Not in My Backyard
- notable National Days
- Notoryctemorphia (Marsupial Moles)
- Notostraca (Tadpole Shrimps)
- Notothenioidei (Southern Cod-Icefishes)
- Noverre, Jean-Georges
- Nowrūz
- Nuba
- Nubūwah
- Nuclear Energy, Basic Processes of
- Nuclear Energy, Historical Evolution of the Use of
- Nuclear Fission Fuel
- nuclear fuel
- Nuclear Test Ban
- nucleon number
- Nudity