Index - N
| nearly | Lawless |
| negate | Lawless |
| negateDouble | Lawless |
| negateFloat | Lawless |
| negateInteger | Lawless |
| neqInteger | Lawless |
| neqInteger# | Lawless |
| NestedAtomically | |
| 1 (Data Constructor) | Exception |
| 2 (Type/Class) | Exception |
| NestedAtomically_ | Exception |
| newLine | Textual |
| newline | Parser |
| NFCText | Text |
| Node | Tree |
| NoMethodError | |
| 1 (Data Constructor) | Exception |
| 2 (Type/Class) | Exception |
| NoMethodError_ | Exception |
| non | Lawless |
| non' | Lawless |
| none | Lawless |
| noneOf | |
| 1 (Function) | Lawless |
| 2 (Function) | Parser |
| noneOfSet | Parser |
| NonScalarKey | Yaml |
| NonStringKeyAlias | Yaml |
| NonTermination | |
| 1 (Data Constructor) | Exception |
| 2 (Type/Class) | Exception |
| NonTermination_ | Exception |
| normalise | Paths |
| not | Lawless |
| notANumber | Lawless |
| notChar | Parser |
| notElemOf | Lawless |
| notFollowedBy | Parser |
| Nothing | Lawless |
| notNullOf | Lawless |
| NotValidator | Aeson, Yaml |
| now | Time |
| Null | Aeson, Yaml |
| nullOf | Lawless |
| Num | Lawless |
| Number | Aeson, Yaml |
| numerator | Lawless |
| numericEnumFrom | Lawless |
| numericEnumFromThen | Lawless |
| numericEnumFromThenTo | Lawless |
| numericEnumFromTo | Lawless |