| Ship Name | Hull No. | IMO No. | ENI No. | Year Built | Date Taken | Location |
|---|---|---|---|---|---|---|
| Mila | 9501681 | 2013 | 2015-10-15 | Firth of Clyde | ||
| Milbrook | 1980 | 1996-07-21 | Southampton | |||
| Milbrook Surveyor II | 6609121 | 1966 | 1995-05-08 | Southampton | ||
| Milbrook Surveyor II | 6609121 | 1966 | 1997-10-17 | Southampton | ||
| Milenium | 9221346 | 2000 | 2001-03-18 | Barcelona | ||
| fv Miley Adelle | SN10 | 1972 | 2013-08-22 | River Tyne | ||
| fv Miley Adelle | SN10 | 1972 | 2014-08-24 | River Tyne | ||
| fv Miley Adelle | SN10 | 1972 | 2015-12-27 | River Tyne | ||
| fv Miley Adelle | SN10 | 1987 | 2019-06-20 | River Tyne | ||
| fv Miley Adelle | SN10 | 1987 | 2019-09-04 | River Tyne | ||
| Militos | 9607435 | 2012 | 2024-05-17 | Scapa Flow | ||
| Miljotank | 5373139 | 1939 | 2008-05-05 | Bergen | ||
| HMAV Mill Reef | WB08 | 1987 | 1990-06-24 | Portsmouth Harbour | ||
| Milla | 1967 | 2012-06-23 | Rotterdam | |||
| fv Millburn | FR83 | 8792001 | 1975 | 2011-04-28 | Fraserburgh | |
| fv Millburn | FR83 | 8792001 | 1975 | 2012-04-15 | Fraserburgh | |
| fv Millburn | FR83 | 8792001 | 1975 | 2013-05-06 | Fraserburgh | |
| Millennium | 7531369 | 1978 | 2001-05-12 | River Thames | ||
| Millennium City | 1999 | 2002-04-22 | River Thames | |||
| Millennium City | 1999 | 2003-05-03 | River Thames | |||
| Millennium City | 1999 | 2009-06-11 | River Thames | |||
| Millennium City | 1999 | 2025-07-20 | River Thames | |||
| Millennium City | 1999 | 2025-07-20 | River Thames | |||
| Millennium Dawn | 1999 | 2001-07-19 | River Thames | |||
| Millennium Dawn | 1999 | 2003-05-03 | River Thames | |||
| Millennium Dawn | 1999 | 2006-05-01 | River Thames | |||
| Millennium Dawn | 1999 | 2023-07-06 | River Thames | |||
| Millennium Dawn | 1999 | 2025-07-20 | River Thames | |||
| Millennium Diamond | 2012 | 2023-07-06 | River Thames | |||
| Millennium Diamond | 2012 | 2025-07-20 | River Thames | |||
| Millennium of London | 1996 | 1998-05-06 | River Thames | |||
| Millennium of London | 1996 | 2009-06-11 | River Thames | |||
| Millennium of London | 1996 | 2009-06-14 | River Thames | |||
| Millennium of London | 1996 | 2023-07-06 | River Thames | |||
| Millennium of London | 1996 | 2025-07-20 | River Thames | |||
| Millennium of Peace | 1999 | 2003-05-03 | River Thames | |||
| Millennium of Peace | 1999 | 2008-05-18 | River Thames | |||
| Millennium of Peace | 1999 | 2009-10-25 | River Thames | |||
| Millennium of Peace | 1999 | 2025-07-20 | River Thames | |||
| Millennium Time | 1999 | 2005-07-16 | River Thames | |||
| Millennium Time | 1999 | 2008-05-18 | River Thames | |||
| Millennium Time | 1999 | 2023-07-06 | River Thames | |||
| Millennium Time | 1999 | 2025-07-20 | River Thames | |||
| Millgarth | 9144122 | 1997 | 2010-05-22 | River Thames | ||
| Millgarth | 9144122 | 1997 | 2016-06-25 | River Mersey | ||
| Millgarth | 9144122 | 1997 | 2019-08-03 | River Mersey | ||
| Millgarth | 9144122 | 1997 | 2019-08-03 | River Mersey | ||
| USS Milwaukee | AOR2 | 8644113 | 1969 | 1987-09-26 | Portsmouth Harbour | |
| Mineral Faith | 9575668 | 2012 | 2015-06-08 | Firth of Clyde | ||
| Mineral Hope | 9567025 | 2012 | 2015-06-08 | Firth of Clyde | ||
| Mineral New York | 9519767 | 2010 | 2011-06-23 | River Humber | ||
| HMS Minerva | F45 | 1966 | 1993-02-01 | Portsmouth Harbour | ||
| Minerva | 9144196 | 1996 | 2012-07-19 | Portsmouth Harbour | ||
| Minerva Anna | 2005 | 2011-06-26 | Rotterdam | |||
| Minerva Concert | 9271406 | 2003 | 2012-06-24 | Rotterdam | ||
| Minerva Grace | 8917792 | 1991 | 2001-05-12 | River Thames | ||
| Minerva Vera | 9411941 | 2009 | 2010-06-21 | Rotterdam | ||
| Mineva | 6824422 | 1968 | 1999-04-18 | Southampton | ||
| Ming North | 1995 | 1997-04-21 | Felixstowe | |||
| Ming Star | 1980 | 1997-06-09 | Hamburg | |||
| Mingo | 1980 | 1996-04-14 | Rotterdam | |||
| Mini Star | 8805597 | 1988 | 1998-05-06 | River Thames | ||
| Mini Star | 8805597 | 1988 | 2002-06-16 | Ijmuiden | ||
| Miniforest | 7214557 | 1972 | 2002-06-21 | Vlissingen | ||
| fpv Minna | 9266712 | 2003 | 2010-11-22 | Firth of Clyde | ||
| fpv Minna | 9266712 | 2003 | 2013-03-31 | Firth of Clyde | ||
| fpv Minna | 9266712 | 2003 | 2016-05-21 | Firth of Clyde | ||
| fpv Minna | 9266712 | 2003 | 2016-10-09 | Firth of Clyde | ||
| fpv Minna | 9266712 | 2003 | 2023-08-08 | Aberdeen | ||
| Mir | 8501701 | 1987 | 2001-08-24 | Portsmouth Harbour | ||
| Mir | 8501701 | 1987 | 2004-06-12 | Barrow-in-Furness | ||
| Mir | 9005326 | 1991 | 1998-05-30 | Felixstowe | ||
| Mirja | 1963 | 1996-04-14 | Rotterdam | |||
| sb Mirosa | 1892 | 2010-05-22 | River Medway | |||
| sb Mirosa | 1892 | 2010-05-22 | River Medway | |||
| Mirva | 1985 | 2010-06-20 | Rotterdam | |||
| Miseva | 7211919 | 1972 | 1987-05-29 | Portsmouth Harbour | ||
| Miska | 1963 | 1998-05-29 | Fredericia | |||
| Misneach | 1978 | 2014-09-21 | Firth of Clyde | |||
| Misneach | 1978 | 2015-10-16 | Firth of Clyde | |||
| Miss Cumbria | 1974 | 2004-06-12 | Bowness | |||
| Miss Cumbria III | 1979 | 2004-06-12 | Bowness | |||
| Miss Cumbria IV | 1988 | 2004-06-12 | Bowness | |||
| Miss Lakeland | 1985 | 2004-06-12 | Bowness | |||
| Miss Liberty | 1954 | 1994-09-18 | New York | |||
| Miss New Jersey | 1991 | 1994-09-18 | New York | |||
| Miss New York | 1994 | 1994-09-18 | New York | |||
| Miss Westmorland | 1988 | 2004-06-12 | Bowness | |||
| USS Mississippi | CGN40 | 1978 | 1988-07-07 | Portsmouth Harbour | ||
| Mistral 9 | 2000 | 2008-08-10 | Golf de Fos | |||
| Mistral 10 | 2000 | 2008-08-10 | Golf de Fos | |||
| Mistral | 7711050 | 1979 | 1992-09-27 | Rotterdam | ||
| FS Mistral | L9013 | 2005 | 2008-08-09 | Toulon | ||
| Mistral | 2008 | 2014-08-24 | River Tyne | |||
| HMAV Mistral | WB43 | 2008 | 2011-08-06 | Portsmouth Harbour | ||
| pv Mitchell | 1998-08-29 | Arklow | ||||
| Mither o the Sea | 2024-05-17 | Stromness | ||||
| Mittelsbüren | 1970 | 1995-08-21 | River Elbe | |||
| Miyuki Maru | 1957 | 2002-04-22 | River Thames | |||
| Miyuki Maru | 1957 | 2002-09-03 | River Thames |