Local governments
I
| Name | Type | Notes |
|---|---|---|
| Ilford Borough Council | Borough Council | |
| Inverness Burgh Council | Borough Council | |
| Ipswich Borough Council | Borough Council | |
| Irthlingborough UDC | District Council | |
| Isle of Ely County Council | County Council | |
| Isle of Wight County Council | County Council | |
| Islington Borough Council | London Borough Council | |
| Itchen UDC | District Council |