| SL4067 | MORGAN Ruth | Totley Primary School PTA | 17/11/2009 | 01/01/2011 | indefinite |
| SL4605 | MOULD J A | The Caledonian Society of Sheffield | 19/01/2010 | 01/01/2010 | indefinite |
| SL6547 | MURPHY Rhona | St Wilfrids PTA | 21/06/2022 | 21/06/2022 | indefinite |
| SL6499 | MURRAY Amy | Friends of Woodseats School | 24/03/2026 | 22/12/2018 | indefinite |
| SL5989 | MUZYCZKA Susan Ruth | Crosspool Junior Football Club | 04/01/2010 | 01/01/2010 | indefinite |
| SL3501 | MYATT Joyce | Shirebrook Disabled Club | 23/10/2006 | 01/01/2007 | indefinite |
| SL6006 | MYERS Jane | Bole Hill Resource Centre | 05/11/2010 | 20/11/2010 | indefinite |
| SL5919 | NAYLOR Julian | Owls Foundation | 16/11/2009 | 01/01/2011 | indefinite |
| SL6241 | NETHER GREEN INFANT SCHOOL PTA | Nether Green Infant School PTA | 11/04/2024 | 07/01/2012 | indefinite |
| SL5950 | NEUROCARE | Neurocare | 19/11/2010 | 01/01/2011 | indefinite |