| Ship Name | Hull No. | IMO No. | ENI No. | Year Built | Date Taken | Location |
|---|---|---|---|---|---|---|
| K-Marine IV | 8977687 | 1990 | 2024-04-20 | Southampton | ||
| K/Toulson | 6619932 | 1966 | 1994-03-04 | Portsmouth Harbour | ||
| K/Toulson | 6619932 | 1966 | 1998-05-16 | River Thames | ||
| Kaac | 1992-09-27 | Rotterdam | ||||
| Kadri | 1995 | 2014-04-21 | Leith | |||
| Kaga | 1988 | 1997-06-09 | Hamburg | |||
| Kai | 1968 | 1997-06-05 | River Elbe | |||
| rv Kaimalino | 1973 | 1994-09-16 | San Diego | |||
| Kairo | 1994 | 1996-04-15 | Felixstowe | |||
| fv Kairos | BF36 | 1988 | 2012-04-15 | Fraserburgh | ||
| fv Kairos | BF36 | 1988 | 2014-05-05 | Macduff | ||
| Kaja | 1997 | 2014-08-10 | Firth of Clyde | |||
| Kaja | 1997 | 2014-08-14 | Firth of Clyde | |||
| Kaja-H | 5226439 | 1955 | 1997-06-05 | Hamburg | ||
| Kaja-H | 5226439 | 1955 | 1997-06-08 | Rendsburg | ||
| fv Kalamendi | 3-BI-4-2-03 | 9098660 | 2004 | 2012-04-13 | Lochinver | |
| Kalana | 1996 | 1997-06-06 | River Elbe | |||
| Kaliakra | 8308410 | 1984 | 2010-08-07 | Hartlepool | ||
| Kalila | 1973 | 1998-05-16 | River Thames | |||
| Kalina | 1996 | 2010-06-20 | Rotterdam | |||
| Kaliningrad | 1969 | 1996-07-21 | Southampton | |||
| Kalkvik | 9341172 | 2007 | 2023-06-27 | Belfast | ||
| Kalliope | 8872801 | 1994 | 2002-06-18 | Vlissingen | ||
| Kalliste | 9050618 | 1993 | 1999-09-03 | Bastia | ||
| Kalliste | 9050618 | 1993 | 2008-08-09 | Marseille | ||
| Kalmar | 8636154 | 1993 | 2015-05-18 | Lerwick | ||
| Kama River | 9175157 | 1998 | 2002-08-18 | Southampton | ||
| Kamakura | 1988 | 1992-05-16 | Southampton | |||
| Kamara | 9322607 | 2005 | 2024-10-11 | Sunderland | ||
| Kamchatka | 5209118 | 1963 | 1988-10-26 | Southampton | ||
| Kamenitza | 8006256 | 1980 | 1998-03-19 | Southampton | ||
| Kanutta | 1958 | 2008-05-04 | Haugesund | |||
| pv Kapitän Hilgendorf | 6606571 | 1961 | 1998-05-27 | River Elbe | ||
| Kapitan Kanevskiy | 8201636 | 1982 | 1992-09-27 | Rotterdam | ||
| pv Kapitän Kircheiss | 1961 | 1997-06-05 | River Elbe | |||
| Kapitan Kudlay | 8319873 | 1983 | 2002-06-18 | Vlissingen | ||
| Kapitan Mironov | 9077563 | 1995 | 2002-06-19 | Vlissingen | ||
| Kapitan Vakula | 8326321 | 1983 | 2002-06-18 | Vlissingen | ||
| Kapitein Kok | 02007658 | 1911 | 2002-06-16 | Amsterdam | ||
| Kapitonas Kaminskas | 7740972 | 1978 | 2003-08-16 | River Thames | ||
| Kapitonas Simkus | 7642534 | 1976 | 2003-09-27 | Southampton | ||
| Kaprifol | 2000 | 2013-05-14 | Aberdeen | |||
| fv Karen Ann II | FR559 | 1981 | 2011-04-28 | Peterhead | ||
| fv Karen Ann II | FR559 | 1981 | 2014-05-05 | Macduff | ||
| Karen C | 9523952 | 2010 | 2014-07-18 | River Humber | ||
| Kari Arnhild | 9101730 | 1994 | 2001-09-01 | River Thames | ||
| Kari Arnhild | 9101730 | 1994 | 2001-09-01 | River Thames | ||
| Karibu | 9001849 | 1990 | 1997-06-07 | Rendsburg | ||
| Karin | 2024-05-13 | Stromness | ||||
| Karin | 1988 | 2001-05-29 | Hamburg | |||
| Karin | 1997 | 1997-06-09 | Hamburg | |||
| Karin | 1997 | 1997-06-09 | Hamburg | |||
| Karin Schepers | 2007 | 2010-06-20 | Rotterdam | |||
| Karin Schepers | 2007 | 2011-06-24 | Rotterdam | |||
| Karin Schepers | 2007 | 2011-06-25 | Rotterdam | |||
| Karin Schepers | 2007 | 2012-06-24 | Rotterdam | |||
| Karina W | 1965 | 1997-06-08 | Rendsburg | |||
| Karine | 7826881 | 1981 | 2002-06-18 | Vlissingen | ||
| rv Karl Hayssen | 1997-06-05 | Rendsburg | ||||
| Karl-Jakob K | 2006 | 2013-09-14 | Aberdeen | |||
| Karsoy | 9555618 | 2009 | 2019-09-06 | River Tyne | ||
| Kaszuby | 9346847 | 2008 | 2024-05-25 | River Tyne | ||
| Käte | 1986 | 1995-08-21 | Hamburg | |||
| Kate Mærsk | 9085546 | 1996 | 2002-06-17 | Rotterdam | ||
| Katharina B | 9121869 | 1997 | 2001-05-30 | Felixstowe | ||
| Katharina B | 9121869 | 1997 | 2014-09-17 | Firth of Clyde | ||
| Katharina Siemer | 1985 | 2012-09-12 | Leith | |||
| Kathleen & May | 1900 | 2004-06-12 | Barrow-in-Furness | |||
| Kathy C | 9523940 | 2010 | 2011-06-28 | Rotterdam | ||
| Kati | 1958 | 1996-04-14 | Rotterdam | |||
| Kati | 1998 | 2012-06-22 | Rotterdam | |||
| fv Katie Claire | CN4 | 1996 | 2016-05-15 | Sound of Mull | ||
| Katja | 9105906 | 1995 | 1997-07-13 | Southampton | ||
| Katrin | 8519241 | 1986 | 1995-08-24 | River Elbe | ||
| Katsuragi | 1990 | 1999-05-27 | Southampton | |||
| Kaubturm | 7703091 | 1978 | 2003-05-08 | Aberdeen | ||
| Kaunas | 8311924 | 1989 | 1997-06-07 | Kieler Forde | ||
| fv Kaylana | SY21 | 1978 | 2014-05-08 | Stornoway | ||
| fv Kayleigh M | K970 | 1989 | 2011-03-12 | Stranraer | ||
| fv Kayleigh M | OB15 | 1981 | 2015-06-05 | Firth of Clyde | ||
| fv Kayleigh M | OB15 | 1990 | 2012-04-07 | Mallaig | ||
| Kazakhstan | 7359486 | 1976 | 1994-07-05 | River Thames | ||
| KB II | 5131799 | 1960 | 1992-09-05 | Southampton | ||
| KCA Kingfisher | 7422362 | 1981 | 1989-02-05 | Southampton | ||
| USS Kearsarge | LHD3 | 1993 | 1994-09-20 | Portsmouth, Virginia | ||
| Kebister | 9000819 | 1990 | 2003-05-11 | Lerwick | ||
| Kebister | 9000819 | 1990 | 2013-05-10 | Lerwick | ||
| Kebister | 9000819 | 1990 | 2015-05-18 | Lerwick | ||
| HMS Kedleston | M1153 | 1954 | 1988-09-17 | Portsmouth Harbour | ||
| Keewhit | 2003 | 2009-06-27 | River Mersey | |||
| Keizersborg | 1996 | 1998-10-26 | Haugesund | |||
| Keizersgracht | 8213706 | 1983 | 2000-05-27 | Southampton | ||
| HMS Kellington | M1154 | 1955 | 1988-06-05 | Portsmouth Harbour | ||
| fv Kelly | BCK625 | 1982 | 2014-05-05 | Macduff | ||
| fv Kelly Emm | SY796 | 1972 | 2010-05-03 | Campbeltown | ||
| fv Kemarvin | WK814 | 1975 | 2012-04-13 | Kinlochbervie | ||
| Kemerovo | 8120662 | 1983 | 1999-07-19 | River Mersey | ||
| Kemira | 7907635 | 1981 | 2002-06-19 | Vlissingen | ||
| Kemsing | 5184980 | 1960 | 1989-06-17 | River Medway | ||
| fv Kenavo | PZ244 | 1983 | 2012-07-21 | Portsmouth Harbour |