| Name | Ivory.Language.Syntax.AST, Ivory.Language.Syntax |
| NameSym | Ivory.Language.Syntax.AST, Ivory.Language.Syntax |
| NameVar | Ivory.Language.Syntax.AST, Ivory.Language.Syntax |
| NatType | Ivory.Language.Proxy |
| NegateOp | Ivory.Language.Syntax.Concrete.ParseAST |
| NeqOp | Ivory.Language.Syntax.Concrete.ParseAST |
| newTyVar | Ivory.Language.Syntax.Concrete.QQ.TypeQQ |
| NoAlloc | Ivory.Language.Effects, Ivory.Language |
| noAlloc | Ivory.Language.Monad, Ivory.Language |
| NoBindCall | Ivory.Language.Syntax.Concrete.ParseAST |
| NoBreak | Ivory.Language.Effects, Ivory.Language |
| noBreak | Ivory.Language.Monad, Ivory.Language |
| NoEffects | Ivory.Language.Effects, Ivory.Language |
| NoLoc | Ivory.Language.Syntax.Concrete.Location |
| noLoc | Ivory.Language.Syntax.Concrete.Location |
| NoReturn | Ivory.Language.Effects, Ivory.Language |
| noReturn | Ivory.Language.Monad, Ivory.Language |
| notHappyAtAll | Ivory.Language.Syntax.Concrete.Parser |
| NotOp | Ivory.Language.Syntax.Concrete.ParseAST |
| Nullability | Ivory.Language.Pointer |
| Nullable | Ivory.Language.Pointer |
| NullPtr | Ivory.Language.Syntax.Concrete.ParseAST |
| nullPtr | Ivory.Language.Pointer, Ivory.Language.Ptr, Ivory.Language |