| SL0029 | SMITH Samantha | Kisimul School | 03/06/2025 | 03/04/2009 | indefinite |
| SL0406 | SNAPE Jason | RAFA Committee RAF Waddington | 07/05/2026 | 24/05/2024 | indefinite |
| SL0164 | SPENCER Paul | Leasingham Village Hall | 08/12/2025 | 01/01/2008 | indefinite |
| SL0062 | STOPFORD Pat | Swinderby Group of Parishes | 06/11/2024 | 01/01/2008 | indefinite |
| SL0364 | TARRANT Roy Charles | South Kyme Festival Committee | 06/11/2025 | 11/11/2021 | indefinite |
| SL0405 | TAYLOR Helen | St Lawrence C of E Primary School | 09/04/2026 | 15/05/2024 | indefinite |
| SL0325 | THOMAS Alan | Rainbow Stars Disability Group | 29/09/2025 | 23/10/2019 | indefinite |
| SL0071 | THOMAS Stephen | Scredington Community Centre Management Committee | 06/11/2025 | 01/01/2008 | indefinite |
| SL0419 | THOMPSON-AYERST Courtney | Timberland & Thorpe Tilney Parish Council | 02/04/2026 | 06/06/2025 | indefinite |
| SL0359 | TONG Susan Elizabeth | Digby Group of Parishes | 24/07/2025 | 19/10/2021 | indefinite |