- Macclesfield, Cheshire@
- Machynlleth, Powys@
- Maesteg, Bridgend@
- Maidenhead, Berkshire@
- Maidstone, Kent@
- Maldon, Essex@
- Malmesbury, Wiltshire@
- Malton, North Yorkshire@
- Malvern, Worcestershire@
- Mamble, Worcestershire@
- Manchester@
- Manningtree, Essex@
- Mansfield, Nottinghamshire@
- Manuden, Essex@
- Marazion, Cornwall@
- Margate, Kent@
- Market Bosworth, Leicestershire@
- Market Drayton, Shropshire@
- Market Harborough, Leicestershire@
- Market Rasen, Lincolnshire@
- Market Weighton, East Riding of Yorkshire@
- Markfield, Leicestershire@
- Marks Tey, Essex@
- Marlborough, Wiltshire@
- Marlow, Buckinghamshire@
- Marple, Cheshire@
- Maryport, Cumbria@
- Matching Green, Essex@
- Matlock, Derbyshire@
- Maulden, Bedfordshire@
- Maybole, South Ayrshire@
- Medway, Kent@
- Melbourne, Derbyshire@
- Melksham, Wiltshire@
- Melrose, Borders@
- Meltham, West Yorkshire@
| - Melton Mowbray, Leicestershire@
- Mendip, Somerset@
- Mersea Island, Essex@
- Merseyside@
- Merthyr Tydfil@
- Merton, London@
- Mevagissey, Cornwall@
- Mid Sussex@
- Middlesbrough, North Yorkshire@
- Middleton in Teesdale, County Durham@
- Midhurst, West Sussex@
- Midlothian@
- Midsomer Norton, Somerset@
- Mildenhall, Suffolk@
- Milford Haven, Pembrokeshire@
- Millom, Cumbria@
- Milnrow, Lancashire@
- Milnthorpe, Cumbria@
- Milton Keynes, Buckinghamshire@
- Milton, Cambridgeshire@
- Minehead, Somerset@
- Mistley, Essex@
- Moffat, Dumfries and Galloway@
- Mold, Flintshire@
- Mole Valley, Surrey@
- Moniaive, Dumfries and Galloway@
- Monmouth, Monmouthshire@
- Monmouthshire@
- Montgomery, Powys@
- Moray@
- Morecambe, Lancashire@
- Moreton-in-Marsh, Gloucestershire@
- Morpeth, Northumberland@
- Motherwell, North Lanarkshire@
- Mousehole, Cornwall@
- Moyle, Antrim@
- Musselburgh, East Lothian@
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