| # | Tower | No | Year | Materials | Maker | Trusses | Layout |
| 5651 | Mamble, Worcestershire, S John Bapt | 1 | c1630 | Oak | | 6.D | 3.1 |
| 5652 | Manaccan, Cornwall, S Manaccus & S Dunstan | 2 | 1910 | Steel | Gillett & Johnston | 8.1.A.a | |
| 5653 | Manaccan, Cornwall, S Manaccus & S Dunstan | 1 | 1910 | Cast iron | Gillett & Johnston | 8.3.C.e | 5.1 |
| 5654 | Manaton, Devon, S Winifred | 9 | | Timber | | | |
| 5655 | Manaton, Devon, S Winifred | 1 | 1889 | Oak | John Warner & Sons | 6.A | 6.13 |
| 5656 | Manby, Lincolnshire, S Mary | 1 | | Timber | | 5.C | 3.1 |
| 5657 | Mancetter, Warwickshire, S Peter | 1 | 1751† | Oak | Thomas Eayre | | 6 |
| 5658 | Manchester, Greater Manchester, Cath and Collegiate Ch of S Mary, S Denys, & S George | 1 | 1867 | Oak & steel | John Taylor & Co | 6.A | 10 |
| 5659 | Manchester, Greater Manchester, Town Hall | 8 | 1996 | Timber | Hayward Mills Associates | 6.A | 1 |
| 5660 | Manchester, Greater Manchester, Town Hall | 2 | 1936 | Steel | John Taylor & Co | 8.1.A | |
| 5661 | Manchester, Greater Manchester, Town Hall | 1 | 1936 | Cast iron | John Taylor & Co | 8.3.C.e | 13 |
| 5662 | Mandurah, Western Australia, Australia, Christ's Church | 1 | 1997 | Steel | Local labour/guild/assn | 8.1.B.a | 8.3 |
| 5663 | Manfield, North Yorkshire, All Saints | 1 | | Oak | | 6.A | 3.1 |
| 5664 | Mangotsfield, Gloucestershire, S James | 2 | 1921 | Steel | John Warner & Sons | 8.1.D | 3.1 |
| 5665 | Mangotsfield, Gloucestershire, S James | 1 | 1921 | Steel | John Warner & Sons | 8.1.D | |
| 5666 | Mansell Lacy, Herefordshire, S Michael | 1 | | Oak | | | |
| 5667 | Mansfield, Nottinghamshire, S Peter & S Paul | 1 | 1948 | Cast iron & steel | John Taylor & Co | 8.3.A.h | 8.3 |
| 5668 | Mansfield Woodhouse, Nottinghamshire, S Edmund K&M | 1 | 1989 | Cast iron | Fred Pembleton | | |
| 5669 | Manston, Dorset, S Nicholas | 1 | c1700 | Oak | | | |
| 5670 | Manuden, Essex, S Mary V | 2 | 1983 | Steel | Local labour/guild/assn | ~ 8.1.F.g | |
| 5671 | Manuden, Essex, S Mary V | 1 | 1866 | Oak | | 6.A, 6.B & 6.I | 5.1 |
| 5672 | Maperton, Somerset, S Peter & S Paul | 1 | 1902 | Cast iron & oak | John Warner & Sons | | |
| 5673 | Maplebeck, Nottinghamshire, S Radegund | 1 | 2008 | Steel | Hayward Mills Associates | | |
| 5674 | Mapledurham, Oxfordshire, S Margaret | 1 | c1899 | Oak | | | |
| 5675 | Mapledurwell, Hampshire, S Mary | 1 | | Timber | | 5 | 3.1 |
| 5676 | Mappleton, East Riding of Yorkshire, All Saints | 1 | | Timber | | 6.K | 1 |
| 5677 | Mappowder, Dorset, S Peter & S Paul | 1 | 1998 | Cast iron | Nicholson Engineering Ltd | 8.3.A.h | |
| 5678 | Marbury, Cheshire, S Michael | 1 | 1928 | Cast iron | John Taylor & Co | 8.3.A.h | 6.1 |
| 5679 | March, Cambridgeshire, S Wendreda | 9 | | | | | |
| 5680 | March, Cambridgeshire, S Wendreda | 1 | 1929 | Teak | John Taylor & Co | 6.B | 6.5 R |
| 5681 | Marcham, Oxfordshire, All Saints | 1 | 1988 | Cast iron & steel | Whites of Appleton | | |
| 5682 | Marchington, Staffordshire, S Peter | 1 | 1939 | Metal | John Taylor & Co | 8.3.A.h | 6.1 |
| 5683 | Marden, Herefordshire, S Mary V | 8 | | | | | |
| 5684 | Marden, Herefordshire, S Mary V | 1 | 1908 | Cast iron | William Greenleaf | | 6.13 |
| 5685 | Marden, Kent, S Michael & All Angels | 1 | 1909 | Steel | Alfred Bowell | 8.1.C.a | 8.3 |
| 5686 | Marden, Wiltshire, All Saints | 2 | 1982 | Steel | Locally manufactured | 8.1.A.a | 1 |
| 5687 | Marden, Wiltshire, All Saints | 1 | 1886 | Oak | John Warner & Sons | 6.A | 5.1 |
| 5688 | Mareham le Fen, Lincolnshire, S Helen | 1 | c1899 | Timber | ? Thomas Mallaby | 6.A | 3.1 |
| 5689 | Maresfield, East Sussex, S Bartholomew | 1 | | Cast iron | | | |
| 5690 | Margaret Marsh, Dorset, S Margaret | 1 | 1874 | Timber | John Warner & Sons | 6.A | 5.1 |
| 5691 | Margaretting, Essex, S Margaret | 2 | c1599† | Timber | | 6.R | |
| 5692 | Margaretting, Essex, S Margaret | 1 | 1931 | Oak | Alfred Bowell | 6.A | 5.1 |
| 5693 | Margate, Kent, S John Bapt | 2 | 1900 | Cast iron | John Taylor & Co | 8.3.D.a | |
| 5694 | Margate, Kent, S John Bapt | 1 | 1900 | Cast iron | John Taylor & Co | 8.3.D.a | 5.12 |
| 5695 | Marham, Norfolk, Holy Trinity | 1 | | Timber | | 6.D | 6.7 |
| 5696 | Marhamchurch, Cornwall, S Marwenne | 1 | 1938 | Cast iron | John Taylor & Co | | |
| 5697 | Mariansleigh, Devon, S Mary | 2 | 1938 | Cast iron | John Taylor & Co | 8.3.D.a | |
| 5698 | Mariansleigh, Devon, S Mary | 1 | 1938 | Cast iron | John Taylor & Co | 8.3.D.a | |
| 5699 | Marietta, Georgia, United States of America, S James | 1 | 1995 | Metal | Local labour/guild/assn | | |
| 5700 | Mark, Somerset, Holy Cross | 1 | 1910 | Cast iron | Mears & Stainbank | | |