UK Parliamentarians
- John McDonnellLabourMP for Hayes and HarlingtonMP since 1997
- Blair McDougallLabourMP for East RenfrewshireMP since 2024
- Lola McEvoyLabourMP for DarlingtonMP since 2024
- Pat McFaddenLabourMP for Wolverhampton South EastMP since 2005
- Alison McGovernLabourMP for BirkenheadMP since 2010
- Alex McIntyreLabourMP for GloucesterMP since 2024
- Gordon McKeeLabourMP for Glasgow SouthMP since 2024
- Kevin McKennaLabourMP for Sittingbourne and SheppeyMP since 2024
- Catherine McKinnellLabourMP for Newcastle upon Tyne NorthMP since 2010
- Jim McMahonLabourMP for Oldham West, Chadderton and RoytonMP since 2015
- Anna McMorrinLabourMP for Cardiff NorthMP since 2017
- James McMurdockIndependentMP for South Basildon and East ThurrockMP since 2024
- Frank McNallyLabourMP for Coatbridge and BellshillMP since 2024
- Kirsty McNeillLabourMP for MidlothianMP since 2024
- Esther McVeyConservativeMP for TattonMP since 2017
- Llinos MediPlaid CymruMP for Ynys MônMP since 2024
- Anneliese MidgleyLabourMP for KnowsleyMP since 2024
- Ed MilibandLabourMP for Doncaster NorthMP since 2005
- Calum MillerLiberal DemocratMP for Bicester and WoodstockMP since 2024
- John MilneLiberal DemocratMP for HorshamMP since 2024
- Ms Julie MinnsLabourMP for CarlisleMP since 2024
- Navendu MishraLabourMP for StockportMP since 2019
- Sir Andrew MitchellConservativeMP for Sutton ColdfieldMP since 2001
- Abtisam MohamedLabourMP for Sheffield CentralMP since 2024
- Iqbal MohamedIndependentMP for Dewsbury and BatleyMP since 2024
- Mr Gagan MohindraConservativeMP for South West HertfordshireMP since 2019
- Perran MoonLabourMP for Camborne and RedruthMP since 2024
- Robbie MooreConservativeMP for Keighley and IlkleyMP since 2019
- Layla MoranLiberal DemocratMP for Oxford West and AbingdonMP since 2017
- Jessica MordenLabourMP for Newport EastMP since 2005
- Edward MorelloLiberal DemocratMP for West DorsetMP since 2024
- Helen MorganLiberal DemocratMP for North ShropshireMP since 2021
Source: parliament.uk · 1,424 currently sitting · Open Government Licence v3.0