| MSL0222 | MARTIN David | Old Newton & Gipping Community Council | 16/04/2024 | 01/04/2022 | indefinite |
| MSL0084 | MARTIN Luke | Mellis School Parent Association | 08/10/2025 | 12/03/2010 | indefinite |
| MSL0235 | MARTIN Simon | Friends of Debenham High School | 28/02/2025 | 09/03/2023 | indefinite |
| MSL0088 | MATTA Rebecca | Museum of East Anglian Life | 03/10/2025 | 25/11/2010 | indefinite |
| MSL0264 | MERRITT Sarah | Stowmarket Community Sports & Social Club CIC | 17/04/2025 | 17/04/2025 | indefinite |
| MSL0025 | MOBBS Graham | Bedfield Sports Centre | 31/10/2024 | 01/01/2007 | indefinite |
| MSL0180 | MOORE Jeffrey | Westhorpe Village Hall Ltd | 04/08/2025 | 07/09/2018 | indefinite |
| MSL0267 | MOORE Roseanna | Friends of Eye Primary School Association | 20/06/2025 | 20/06/2025 | indefinite |
| MSL0197 | MOXON Louise | Suffolk Multiple Sclerosis Therapy Centre | 12/08/2024 | 28/08/2019 | indefinite |
| MSL0090 | MOYES Ian | Stowmarket Community Sports & Social Club | 12/03/2025 | 18/03/2011 | indefinite |
