Encyclopedias, Almanacs, Transcripts, and Maps
- Nicholas, Harold Lloyd
- Nicholls, Francis Redding Tillou
- Nicholson, Samuel
- Niclaes, Hendrik
- NICMOS
- Nicobar Islands
- Nicodemus National Historical Site
- Nicolson, Sir Harold
- Nicomedia
- Nicoya Peninsula
- Nicoya, Gulf of
- Nidaros
- Niel, Adolphe
- nielsbohrium
- Nielsen, A. C.
- Niembsch Edler von Strehlenau, Nikolaus
- Niemen
- Nien Rebellion
- Niepce, Joseph Nicéphore
- Nièvre