- Ken Nakamula (Tokyo Metro)
- Number Theory
- 6th Feb 2009 to 16th Feb 2009
- Gabrielle Nebe (RWTH. Aachen)
- Group Theory, Lattices
- 13th Feb 2006 to 18th Mar 2006
- 2nd Feb 2008 to 2nd Mar 2008
- Christian Neurohr (Oldenburg)
- Number theory
- 18th Jun 2018 to 19th Sep 2018
- Alice Niemeyer (UWA)
- Comp. group theory
- 19th Apr 1998 to 25th Apr 1998
- Benjamin Nill (Georgia, Athens)
- Algebraic Geometry
- 30th May 2010 to 20th Jun 2010
- Keiichiro Nishimoto (Tokyo Metro)
- Number Theory
- 2nd Jun 2009 to 15th Feb 2009
- Graham Norton (UQ)
- Coding Theory
- 28th May 2001 to 9th Jun 2001
