Murella muralis (O.F. Müller, 1774)
Murella muralis costulata (L. Benoit, 1857)
Murella muralis templorum (A.E.J. Férussac, 1835)
Assyriella naegelei (W. Kobelt, 1901)
Assyriella naegelei chanzirensis (W. Kobelt, 1901)
Esuinella nana (FOSSIL) (A. Braun in Walchner,1851 †)
Helix napensis J.C.H. Crosse, 1871
Frechenia nayliesi (FOSSIL) (Michaud, 1862) †
Murella nebrodensis (E. Pirajno, 1842)
Helix neglecta J.P.R. Draparnaud
Mesodontopsis nehringi (FOSSIL) W.R. Schlickum& F. Strauch, 1973 †
Cepaea nemoralis (C. Linnaeus)
Cepaea nemoralis aurantia (C. Linnaeus, 1758)
Cepaea nemoralis etrusca (E.A. Rossmässler, 1835)
Cepaea nemoralis libellula (C. Linnaeus, 1758)
Cepaea nemoralis rosea A.A. Baudon
Galactochiloides nemoralites (FOSSIL) (Boubée, 1831 †)
Neocrassa neocrassa (A. Zilch, 1952)
Megalotachea neumayri (FOSSIL) (Š. Brusina, 1878 †)
Tacheopsis nicaeensis (A.E.J. Férussac, 1820)
Macularia niciensis (A.E.J. Férussac, 1821)
Macularia niciensis dupuyi (C.A. Westerlund, 1876)
Macularia niciensis guebhardi (E. Caziot, 1903)
Levantina ninivita J. Galland, 1885
Caucasotachea nordmanni (L. Parreyss in A. Mousson,1854)
Helix norodomiana L.J. Morlet, 1883
Helix noscibilis A.E.J. Férussac, 1832
Theba nounensis J. Ahuir Galindo, 2014
Helix nubeculata G.P. Deshayes, 1831
Helix nucula A. Mousson, 1854
Helix nummus C.G. Ehrenberg, 1831
Helicigona nympha P. Subai, 1996
Creneatachea obtusecarinata (FOSSIL) (C.L.F. von Sandberger,1858 †)
Cylindrus obtusus (J.P.R. Draparnaud, 1805)
Helix oestreichi W. Kobelt, 1902