| SL0311 | COUPLAND Sarah Louise | Tim Tin Playroup & Kids Club | 13/09/2024 | 25/10/2017 | indefinite |
| SL0121 | COXHEAD Robert | Sleaford & District Lions Club | 24/10/2025 | 01/01/2008 | indefinite |
| SL0408 | CRAGG Samantha | 19th Lincoln (1st Potterhanworth) Scouts | 11/06/2024 | 11/06/2024 | indefinite |
| SL0413 | CROSSMAN Anthony Andrew | Royal Antediluvian Order of Buffaloes | 20/01/2025 | 20/01/2025 | indefinite |
| SL0390 | CULLEN Christine | Heckington Village Hall | 03/04/2025 | 25/04/2023 | indefinite |
| SL0166 | DALEY Wendy | Friends of Eagle School Association | 12/11/2025 | 01/01/2008 | indefinite |
| SL0344 | DARIDOVA Zuzana | Kirkby La Thorpe Academy Friends of School | 02/10/2025 | 11/11/2020 | indefinite |
| SL0416 | DAVIES Kelly | Sleaford Town Junior Football Club | 17/03/2025 | 17/03/2025 | indefinite |
| SL0337 | DAWSON Debra | Chairman's Nominated Charity | 12/02/2025 | 06/05/2020 | indefinite |
| SL0398 | DICKINSON Martin | Hykeham Tigers FC | 18/03/2025 | 02/02/2024 | indefinite |