| SL0417 | CARLTON William Clive | 1237 Squadron (North Hykeham) ATC | 31/03/2025 | 31/03/2025 | indefinite |
| SL0349 | CHAIR PTFA | Rauceby School PTA | 12/02/2025 | 19/03/2021 | indefinite |
| SL0146 | CHAIRMAN | Billinghay & District Community Swimming Pool | 10/03/2025 | 01/01/2008 | indefinite |
| SL0293 | CHANTLER Dennis Eric | The Garretts Charity | 17/02/2025 | 26/04/2016 | indefinite |
| SL0088 | CLARKE David | Graffoe PCC | 23/10/2025 | 01/01/2008 | indefinite |
| SL0061 | CLUB MANAGER | Sleaford Golf Club | 02/12/2024 | 01/01/2008 | indefinite |
| SL0229 | COLLINS Rich | Inflammatory Neuropathies UK | 07/10/2025 | 15/11/2010 | indefinite |
| SL0161 | COMMITTEE | South Kyme Golf Club | 30/12/2024 | 01/01/2008 | indefinite |
| SL0072 | COPE Rachel | Hale Magna Village Hall Committee | 23/10/2025 | 01/01/2008 | indefinite |
| SL0410 | COUGHLIN Sara Joanne Jane | Lincolnshire South Girlguiding | 13/08/2024 | 13/08/2024 | indefinite |