- Thornton
- Thorganby
- Thorpe on the Hill
- Tilton
- Tollerton
- Tuxford
- Twyford
- Taddington
- Tallington
- Tansley
- Tansor
- Tathwell
- Tattershall
- Tattershall Thorpe
- Taxal
- Tetford
- Tetney
- Teversal
- Theddingworth
- Theddlethorpe All Saints
- Theddlethorpe Saint Helen
- Thimbleby
- Thoresway
- Thornby
- Thorney
- Thornton le Fen
- Thornton le Moor
- Thoroton
- Thorpe
- Thorpe Langton
