- nialpdrome
- nibble
- nice
- nice decomposition
- nice dimension
- nice embedding
- nice function
- nicely embedded
- nice range
- nice space
- Nicholson formula
- Nicholson, J.W.
- Nickel, K.
- Nicole, F.
- Nicolescu, M.
- Nicolibor, W.A.
- Nicomachus (of Gerasa)
- Nicomachus theorem
- Nicomedes
- Nicomedes conchoid
- Niederreiter, H.G.
- Nielsen generalized polylogarithm
- Nielsen, N.
- fraction of integers
- fraction stroke