Dodatak:Popis praživotinja, N
- Nannoeca Thomsen, 1988
- Navifusa Combaz, F.W.Lange & Pansart
- Nebela Leidy, 1874
- Nematostelium Olive & Stoianovitch, 1970
- Neobodonida
- Neomonas Penso
- Neoparamoeba Page, 1987
- Nevidia Vavrdová
- Nilzamonas Skvortzov
- Nolandella Page, 1983
- Nolandida
- Nolandida incertae sedis
- Notila Cleveland
- Notoselenus
- Notosolenus Stokes, 1884
- Nucellosphaeridium B.V.Timofeev, 1966
- Nuclearia
- Nuclearia Cienkowsky, 1865
- Nucleariida
- Nucleariidae
- Nudiform