| ImportF | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| Infix | Language.Haskell.TH.Syntax | 
| infixApp | Language.Haskell.TH.Lib, Language.Haskell.TH | 
| InfixC | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| infixC | Language.Haskell.TH.Lib, Language.Haskell.TH | 
| InfixD | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| InfixE | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| infixE | Language.Haskell.TH.Lib, Language.Haskell.TH | 
| InfixL | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| infixLD | Language.Haskell.TH.Lib | 
| InfixN | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| infixND | Language.Haskell.TH.Lib | 
| InfixP | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| infixP | Language.Haskell.TH.Lib, Language.Haskell.TH | 
| InfixR | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| infixRD | Language.Haskell.TH.Lib | 
| Info | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| InfoQ | Language.Haskell.TH.Lib, Language.Haskell.TH | 
| Inlinable | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| Inline |  | 
| 1 (Data Constructor) | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| 2 (Type/Class) | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| InlineP | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| InstanceD | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| instanceD | Language.Haskell.TH.Lib, Language.Haskell.TH | 
| InstanceDec | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| int | Language.Haskell.TH.PprLib | 
| integer | Language.Haskell.TH.PprLib | 
| IntegerL | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| integerL | Language.Haskell.TH.Lib, Language.Haskell.TH | 
| Interruptible | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| interruptible | Language.Haskell.TH.Lib | 
| IntPrimL | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| intPrimL | Language.Haskell.TH.Lib, Language.Haskell.TH | 
| isEmpty | Language.Haskell.TH.PprLib | 
| isInstance | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| IsStrict | Language.Haskell.TH.Syntax, Language.Haskell.TH | 
| isStrict | Language.Haskell.TH.Lib, Language.Haskell.TH |