| Ship Name | Hull No. | IMO No. | ENI No. | Year Built | Date Taken | Location |
|---|---|---|---|---|---|---|
| HMS Manchester | D95 | 1982 | 2011-08-06 | Portsmouth Harbour | ||
| HMS Manchester | D95 | 1982 | 2013-06-08 | Portsmouth Harbour | ||
| Mancunium | 5219113 | 1946 | 1988-10-26 | Southampton | ||
| RMAS Mandarin | P192 | 1964 | 1989-07-23 | Portland Harbour | ||
| Mandaros | 02716189 | 1975 | 2001-09-01 | Swale | ||
| Manguier | 1967 | 1991-12-16 | Toulon | |||
| HMS Manly | A92 | 1982 | 1988-09-24 | Portsmouth Harbour | ||
| Manon | 9179725 | 1999 | 2002-06-05 | Southampton | ||
| Manon | 9179725 | 1999 | 2003-04-12 | Southampton | ||
| Manor Brunel | 1996 | 2024-08-16 | Harwich Haven | |||
| Manor Endurance | 9917086 | 2021 | 2022-05-12 | Montrose | ||
| Manor Park | 5288308 | 1956 | 1989-06-17 | River Medway | ||
| cs Manta | 8418631 | 1992 | 1995-08-22 | Kieler Forde | ||
| Manta III | 8418631 | 1990 | 2010-06-20 | Rotterdam | ||
| Mantelmeeuw | 2004 | 2010-06-19 | Rotterdam | |||
| Mantelmeeuw | 2004 | 2010-06-21 | Rotterdam | |||
| Mantelmeeuw | 2004 | 2011-06-28 | Rotterdam | |||
| Manus | 1968 | 1998-05-27 | Hamburg | |||
| Maöve 50 | 2008-06-21 | Cherbourg | ||||
| Maple | 1985 | 2011-06-26 | Rotterdam | |||
| Maple Ace II | 9014808 | 1992 | 2014-12-27 | River Tyne | ||
| Maple City | 1951 | 1988-11-13 | Toronto | |||
| Mar Elena | 2003 | 2010-06-18 | River Humber | |||
| Mar Elena | 2003 | 2010-09-26 | Firth of Forth | |||
| Mar Karmsund | 8679273 | 2006 | 2022-05-21 | Lerwick | ||
| fv Mar Mares | 3-VI-2-3-03 | 9282651 | 2003 | 2012-04-13 | Lochinver | |
| Maran Poseidon | 9402926 | 2010 | 2012-06-26 | Rotterdam | ||
| Maras | 9380726 | 2007 | 2019-09-05 | River Tyne | ||
| Marc Mitchell | 1998 | 2008-05-17 | River Thames | |||
| Marchwood | 1980 | 1990-04-21 | Southampton | |||
| Marco Polo | 6417097 | 1965 | 2008-05-05 | Bergen | ||
| Marco Polo | 6417097 | 1965 | 2019-08-31 | River Tyne | ||
| Marco Polo | 7821051 | 1979 | 1996-10-12 | Southampton | ||
| Marco Polo | 1995 | 1997-04-20 | Rotterdam | |||
| Marco Polo | 1995 | 2010-06-20 | Rotterdam | |||
| Marcor Bulk I | 7414987 | 1975 | 2002-06-17 | Rotterdam | ||
| Marcor Bulk I | 7414987 | 1975 | 2011-06-26 | Rotterdam | ||
| Marcus | 1983 | 1997-06-09 | Hamburg | |||
| Marcus | 1983 | 1998-05-27 | Hamburg | |||
| Mare | 1985 | 2014-05-31 | River Mersey | |||
| Mare | 2004 | 2012-06-23 | Rotterdam | |||
| Mare | 2009 | 2012-06-22 | Rotterdam | |||
| fv Mare Gratia | B932 | 9276872 | 2003 | 2008-04-24 | Menai Strait | |
| pv Mare Rosa | 1980 | 2013-05-16 | Montrose | |||
| pv Mare Rosa | 1980 | 2015-09-18 | Montrose | |||
| fv Marea B III | WK869 | 2012 | 2024-05-12 | Wick | ||
| fv Mareixon | UL591 | 9223837 | 2000 | 2024-05-12 | Scrabster | |
| Marek | 1983 | 1996-09-08 | Southampton | |||
| fv Marelann | BF201 | 1974 | 2010-05-05 | Oban | ||
| Marella Discovery | 9070632 | 1996 | 2018-08-11 | River Tyne | ||
| Marella Explorer | 9106297 | 1996 | 2019-08-24 | River Tyne | ||
| Marella Explorer 2 | 9072446 | 1995 | 2021-08-13 | River Tyne | ||
| Marfret Marajo | 2008 | 2012-06-22 | Rotterdam | |||
| Marfret Mejean | 8203567 | 1983 | 2008-08-10 | Marseille | ||
| Marfret Sormiou | 2001 | 2010-06-19 | Rotterdam | |||
| Margaret E | 5149980 | 1956 | 2003-08-16 | River Thames | ||
| RNLB Margaret Foster | 17-13 | 1997 | 2003-05-09 | Kirkwall | ||
| RNLB Margaret Foster | 17-13 | 1997 | 2013-05-08 | Kirkwall | ||
| RNLB Margaret Foster | 17-13 | 1997 | 2024-05-15 | Kirkwall | ||
| Margaret Hill | 7368841 | 1974 | 2009-06-13 | Southampton | ||
| RNLB Margaret Joan and Fred Nye | 17-46 | 2004 | 2013-05-10 | Lerwick | ||
| RNLB Margaret Russell Fraser | 52-34 | 1986 | 1990-07-21 | Portland Harbour | ||
| Margareta B | 9121883 | 1998 | 2011-06-26 | Rotterdam | ||
| Margaretha | 1981 | 1995-01-11 | Southampton | |||
| fv Margarets | LH232 | 8699871 | 1988 | 2010-03-21 | Eyemouth | |
| fv Margarita | TT26 | 1982 | 2014-05-11 | Firth of Clyde | ||
| Margaron | 7018616 | 1970 | 1997-04-20 | Rotterdam | ||
| pv Margat | 1997-08-15 | Le Havre | ||||
| ts Margherita | 1952 | 1994-04-24 | Portsmouth Harbour | |||
| Margita | 1971 | 2011-06-26 | Rotterdam | |||
| Margrethe Fighter | 8705620 | 1988 | 2013-05-06 | Aberdeen | ||
| Margrethe Fighter | 8705620 | 1988 | 2013-05-07 | Aberdeen | ||
| Margrethe Fighter | 8705620 | 1988 | 2013-05-14 | Aberdeen | ||
| Margrethe Fighter | 8705620 | 1988 | 2017-04-14 | Leith | ||
| Maria | 02306786 | 1927 | 2002-06-16 | Velsen-Noord | ||
| Maria F | 7900182 | 1980 | 1997-04-20 | Rotterdam | ||
| Maria H | 1985 | 2000-06-17 | Goole | |||
| Maria H | 8420713 | 1985 | 2002-08-11 | Hull | ||
| Maria N.E. | 1986 | 2001-05-29 | River Elbe | |||
| Maria Theresa | 9228590 | 2002 | 2002-06-17 | Rotterdam | ||
| Marian | 02101707 | 1930 | 2002-06-17 | Rotterdam | ||
| Marian V | 8412821 | 1984 | 2012-06-26 | Rotterdam | ||
| Marianne | 1978 | 1995-08-25 | River Elbe | |||
| Marianne | 1978 | 1998-05-28 | Kiel-Holtenau | |||
| Marianne Theresa | 8820286 | 1991 | 2002-06-21 | Vlissingen | ||
| Maricavor | 1995 | 2011-06-04 | River Tyne | |||
| Maricavor | 1995 | 2011-06-05 | River Tyne | |||
| Marida | 9496630 | 2011 | 2011-06-26 | Rotterdam | ||
| Marida Mallow | 9432385 | 2008 | 2011-09-26 | Firth of Clyde | ||
| Marida Mimosa | 2008 | 2010-06-20 | Rotterdam | |||
| Marie Louisa | 8433916 | 1960 | 2002-07-07 | Portland Harbour | ||
| Marie Mærsk | 8715869 | 1990 | 2001-05-30 | Harwich Haven | ||
| Marie Mærsk | 9619933 | 2013 | 2025-07-19 | River Thames | ||
| Marie-Jeanne | 9190353 | 1999 | 2003-09-27 | Southampton | ||
| Marieke | 9360714 | 2006 | 2010-05-22 | River Thames | ||
| Marieke | 9360714 | 2006 | 2010-05-22 | River Thames | ||
| fv Marigold | A52 | 1968 | 2022-05-22 | Arbroath | ||
| fv Marilyn Clark III | SN3 | 2000 | 2012-08-27 | River Tyne | ||
| Marilyn M | 9731523 | 2015 | 2016-04-16 | Firth of Forth | ||
| Marina Star | 1990 | 1998-05-30 | Harwich |