| name | Language.Haskell.TH.Lens | 
| Naturals | Numeric.Natural.Lens | 
| nearly | Control.Lens.Prism, Control.Lens, Control.Lens.Combinators | 
| negated | Numeric.Lens | 
| NestedAtomically_ | Control.Exception.Lens | 
| NestedAtomically__ | Control.Exception.Lens | 
| newNames | Control.Lens.Internal.TH | 
| noEffect | Control.Lens.Internal.Getter, Control.Lens.Internal | 
| NoMethodError_ | Control.Exception.Lens | 
| NoMethodError__ | Control.Exception.Lens | 
| non | Control.Lens.Iso, Control.Lens, Control.Lens.Combinators | 
| non' | Control.Lens.Iso, Control.Lens, Control.Lens.Combinators | 
| none | Control.Lens.Indexed, Control.Lens, Control.Lens.Combinators | 
| NonEmptyDList |   | 
| 1 (Type/Class) | Control.Lens.Internal.Fold, Control.Lens.Internal | 
| 2 (Data Constructor) | Control.Lens.Internal.Fold, Control.Lens.Internal | 
| noneOf | Control.Lens.Fold, Control.Lens, Control.Lens.Combinators | 
| NonTermination_ | Control.Exception.Lens | 
| NonTermination__ | Control.Exception.Lens | 
| notElemOf | Control.Lens.Fold, Control.Lens, Control.Lens.Combinators | 
| notNullOf | Control.Lens.Fold, Control.Lens, Control.Lens.Combinators | 
| null | Control.Lens.Internal.Deque | 
| nullOf | Control.Lens.Fold, Control.Lens, Control.Lens.Combinators |