Index - N
| Nat | Protolude.Base, Protolude |
| natVal | Protolude.Base, Protolude |
| negate | Protolude.Base, Protolude |
| NestedAtomically | |
| 1 (Type/Class) | Protolude |
| 2 (Data Constructor) | Protolude |
| newChan | Protolude |
| newEmptyMVar | Protolude |
| newMVar | Protolude |
| newQSem | Protolude |
| newQSemN | Protolude |
| NFData | Protolude |
| NoMethodError | |
| 1 (Type/Class) | Protolude |
| 2 (Data Constructor) | Protolude |
| NonEmpty | Protolude |
| nonEmpty | Protolude |
| NonTermination | |
| 1 (Type/Class) | Protolude |
| 2 (Data Constructor) | Protolude |
| not | Protolude |
| notANumber | Protolude.Base, Protolude |
| NotAssociative | Protolude |
| note | Protolude.Exceptions, Protolude |
| notElem | Protolude |
| Nothing | Protolude |
| notImplemented | Protolude.Debug, Protolude |
| null | Protolude |
| Num | Protolude.Base, Protolude |
| numerator | Protolude.Base, Protolude |
| numericEnumFrom | Protolude.Base, Protolude |
| numericEnumFromThen | Protolude.Base, Protolude |
| numericEnumFromThenTo | Protolude.Base, Protolude |
| numericEnumFromTo | Protolude.Base, Protolude |