Index - N
| negate | Base, Protolude |
| negateDouble | Base, Protolude |
| negateFloat | Base, Protolude |
| negateInteger | Base, Protolude |
| neqInteger | Base, Protolude |
| neqInteger# | Base, Protolude |
| NestedAtomically | |
| 1 (Data Constructor) | Protolude |
| 2 (Type/Class) | Protolude |
| newChan | Protolude |
| newEmptyMVar | Protolude |
| newMVar | Protolude |
| newQSem | Protolude |
| newQSemN | Protolude |
| NFData | Protolude |
| NoMethodError | |
| 1 (Data Constructor) | Protolude |
| 2 (Type/Class) | Protolude |
| NonTermination | |
| 1 (Data Constructor) | Protolude |
| 2 (Type/Class) | Protolude |
| not | Protolude |
| notANumber | Base, Protolude |
| note | Exceptions, Protolude |
| notElem | Protolude |
| Nothing | Protolude |
| notImplemented | Debug, Protolude |
| null | Protolude |
| Num | Base, Protolude |
| numerator | Base, Protolude |
| numericEnumFrom | Base, Protolude |
| numericEnumFromThen | Base, Protolude |
| numericEnumFromThenTo | Base, Protolude |
| numericEnumFromTo | Base, Protolude |