| Navajoa |
| Neoabbottia |
| Neobesseya |
| Neobinghamia |
| Neobuxbaumia |
| Neocardenasia |
| Neochilenia |
| Neodawsonia |
| Neodiscocactus |
| Neoevansia |
| Neogomesia |
| Neogymnantha |
| Neolemaireocereus |
| Neolloydia |
| Neolobivia |
| Neomammillaria |
| Neoporteria |
| Neoraimondia |
| Neotanahashia |
| Neowerdermannia |
| Nichelia |
| Nigellicereus |
| Nopalea |
| Nopalxalis |
| Nopalxochia |
| Normanbokea |
| Notocactus |
| Notolobivia |
| Nyctocephalocereus |
| Nyctocereus |