| # | Tower | No | Year | Materials | Maker | Trusses | Layout |
| 5601 | Lytham, Lancashire, S Cuthbert | 1 | 1957 | | Mears & Stainbank | | |
| 5602 | Lytham, Lancashire, S John Div | 2 | | Oak | | | |
| 5603 | Lytham, Lancashire, S John Div | 1 | | Oak | | | |
| 5604 | Lytham, Lancashire, S Peter (RC) | 1 | 1878 | Oak | Mears & Stainbank | 6.A | 6.1 |
| 5605 | Mabe, Cornwall, S Laudus | 1 | 1930 | Cast iron | John Taylor & Co | | 6 |
| 5606 | Mablethorpe, Lincolnshire, S Mary | 1 | 1907 | Cast iron | John Taylor & Co | 8.3.A.h | 6.4 |
| 5607 | Macclesfield, Cheshire, Christ Church | 1 | 1947 | Cast iron | John Taylor & Co | | |
| 5608 | Macclesfield, Cheshire, S Michael & All Angels | 1 | 1923 | Cast iron | John Taylor & Co | | |
| 5609 | Machen, Newport, Wales, S Michael, Lower Machen | 1 | 1911 | Metal | Llewellins & James | | |
| 5610 | Machynlleth, Powys, Wales, S Peter | 1 | 1892 | Timber | James Barwell | 6.B | 6.1 ➔ 9.X |
| 5611 | Machynlleth, Powys, Wales, S Peter | 1.1 | 1911 | Cast iron & timber | James Barwell | 7.C.d | 3.X |
| 5612 | Mackworth, Derbyshire, All Saints | 1 | | Oak | | 5.A | |
| 5613 | Maddington, Wiltshire, S Mary | 1 | | Timber | | | 3.1 |
| 5614 | Madeley, Staffordshire, All Saints | 1 | 1931 | Cast iron | John Taylor & Co | 8.3.A | 6.1 |
| 5615 | Madingley, Cambridgeshire, S Mary Magd | 1 | 1927 | Cast iron | John Taylor & Co | 8.3.A.h | 4.2 |
| 5616 | Madley, Herefordshire, Nativity of BVM | 9 | | Oak | | | |
| 5617 | Madley, Herefordshire, Nativity of BVM | 1 | 1983 | Steel | John Taylor & Co | | |
| 5618 | Madresfield, Worcestershire, S Mary | 1 | 1867 | Timber | | | |
| 5619 | Madron, Cornwall, S Maddern | 1 | | Steel | | | |
| 5620 | Magor, Monmouthshire, Wales, S Mary V | 1 | 1979 | Cast iron | Arthur Fidler | 8.3.A.h | 6.1 |
| 5621 | Maiden Bradley, Wiltshire, All Saints | 1 | 1895 | Oak | | 6.A | 6.1 |
| 5622 | Maiden Newton, Dorset, S Mary | 1 | 1924 | Steel | Mears & Stainbank | | 6.1 |
| 5623 | Maidenhead, Berkshire, All Saints, Boyne Hill | 9 | | | | | |
| 5624 | Maidenhead, Berkshire, All Saints, Boyne Hill | 1 | 1922 | Cast iron | | | |
| 5625 | Maidenhead, Berkshire, Hospital Chapel of S Mark | 1 | | Stone | | 9.A | 1 |
| 5626 | Maids Moreton, Buckinghamshire, S Edmund | 1 | 1906 | Cast iron & steel | Alfred Bowell | 8.2.D.a & 8.2.D.b | 6.1 |
| 5627 | Maidstone, Kent, All Saints | 1 | 1957 | Cast iron | John Taylor & Co | 8.3.A.h | ~ 10.4 |
| 5628 | Maidstone, Kent, S Faith | 1 | 1872 | Timber | John Warner & Sons | 6.A | 1 |
| 5629 | Maidstone, Kent, S Michael & All Angels | 8 | | | | | |
| 5630 | Maidstone, Kent, S Michael & All Angels | 1 | 1876 | Oak | John Warner & Sons | 6.A | 8.3 |
| 5631 | Maidwell, Northamptonshire, S Mary | 1 | 1933 | Cast iron | Gillett & Johnston | 8.3.A.m | 6.1 |
| 5632 | Maisemore, Gloucestershire, S Giles | 1 | 1884 | Oak | John Warner & Sons | 6.A | 6.4 |
| 5633 | Maker, Cornwall, S Mary & S Julian | 1 | 1907 | Timber | William Aggett and Sons | 6.A | 6.5 R |
| 5634 | Makhanda, Eastern Cape, South Africa, Cath Ch of S Michael & S George | 1 | 1993 | Steel | Locally manufactured | | |
| 5635 | Makhanda, Eastern Cape, South Africa, Holy Cross Monastery, Hillandale | 1 | 1999 | Steel | Locally manufactured | | |
| 5636 | Malborough, Devon, All Saints | 2 | 1936 | Cast iron | Gillett & Johnston | 8.3.D.a | |
| 5637 | Malborough, Devon, All Saints | 1 | 1936 | Cast iron | Gillett & Johnston | 8.3.D.a | |
| 5638 | Maldon, Essex, All Saints | 9 | | | | | |
| 5639 | Maldon, Essex, All Saints | 1 | 1922† | Metal | Alfred Bowell | 8.1.C.a | |
| 5640 | Maldon, Essex, S Mary | 1 | c1640† | Timber | | 5.A & 6.I | |
| 5641 | Maldon, Essex, S Mary | 1.1 | c1799† | Timber | | 6.I | |
| 5642 | Malinslee, Shropshire, S Leonard | 1 | c1887 | Cast iron & oak | Charles Carr | 7.B.b | 6 |
| 5643 | Malmesbury, Wiltshire, S Paul's Tower | 1 | 1910 | Cast iron | Mears & Stainbank | 8.3.A.e | 6.1 ➔ 8.3 |
| 5644 | Malmesbury, Wiltshire, S Paul's Tower | 1.1 | 1951 | Cast iron | Gillett & Johnston | 8.3.A.m | 2.X2 |
| 5645 | Malpas, Cheshire, S Oswald | 1 | 1914 | Cast iron | John Taylor & Co | 8.3.C.e | 8.3 |
| 5646 | Maltby, South Yorkshire, S Bartholomew | 1 | 1630 | Timber | | 5.J | |
| 5647 | Malton, North Yorkshire, S Leonard & S Mary (RC) | 1 | | Timber | | 6.A | 8 |
| 5648 | Malton, North Yorkshire, S Michael | 1 | 1877 | Timber | | 5.A | 3.1 |
| 5649 | Malvern Link, Worcestershire, S Matthias | 1 | 1900 | Cast iron | | 8.3.C.e | |
| 5650 | Mamble, Worcestershire, S John Bapt | 9 | | Timber | | 1.D | 1 |