| Ship Name | Hull No. | IMO No. | ENI No. | Year Built | Date Taken | Location |
|---|---|---|---|---|---|---|
| fv Alert II | LK124 | 1992 | 2022-05-15 | Skeld | ||
| Alert IV | 1996 | 2005-07-03 | Portsmouth Harbour | |||
| fv Alex C | BRD18 | 1988 | 2012-04-09 | Mallaig | ||
| RNLB Alexander Cattanach | B-740 | 1997 | 2013-09-14 | Aberdeen | ||
| RNLB Alexander Coutanche | 47-039 | 1989 | 2010-08-14 | Southampton | ||
| Alexander Kuprin | 9057317 | 1996 | 2009-06-27 | River Mersey | ||
| Alexander von Humboldt | 8626886 | 1906 | 2010-08-07 | Hartlepool | ||
| Alexander von Humboldt | 9166845 | 1998 | 2014-07-19 | Zeebrugge | ||
| Alexander von Humboldt II | 9618446 | 2011 | 2019-08-03 | River Mersey | ||
| Alexandra | 5418630 | 1963 | 1998-05-13 | River Thames | ||
| Alexandra Rickmers | 9152739 | 1997 | 2008-05-17 | River Thames | ||
| Alexandros A | 7314400 | 1973 | 1997-04-19 | Antwerp | ||
| Alexia | 2010-08-14 | Southampton | ||||
| Alexia | 7305435 | 1973 | 1995-11-16 | Southampton | ||
| Alfa Britannia | 9154232 | 1998 | 2010-07-31 | River Mersey | ||
| Alfa Germania | 9158551 | 1998 | 2014-05-31 | River Mersey | ||
| Alfa Germania | 9158551 | 1998 | 2014-06-01 | River Mersey | ||
| Alfa Italia | 9255880 | 2002 | 2015-06-20 | River Mersey | ||
| Alfa Italia | 9255880 | 2002 | 2015-06-21 | River Mersey | ||
| Alfa Star | 8312629 | 1983 | 1998-01-21 | Southampton | ||
| Alfa Tank | 7615751 | 1973 | 2002-04-20 | Southampton | ||
| Alfjord | 5404380 | 1963 | 1998-10-26 | Haugesund | ||
| pv Alfred Morris | 2005-08-20 | Glasson Dock | ||||
| Alfreddie | 7417599 | 1975 | 1996-05-04 | Falmouth | ||
| Alga | 7510884 | 1976 | 2003-05-08 | Firth of Forth | ||
| Alga | 7510884 | 1976 | 2003-05-12 | Firth of Forth | ||
| Ali Cat | 2000 | 2010-11-22 | Firth of Clyde | |||
| Ali Cat | 2000 | 2011-09-24 | Firth of Clyde | |||
| Ali Cat | 2000 | 2012-06-05 | Firth of Clyde | |||
| Ali Cat | 2000 | 2013-07-07 | Firth of Clyde | |||
| Ali Cat | 2000 | 2015-06-06 | Firth of Clyde | |||
| Ali Cat | 2000 | 2016-10-10 | Firth of Clyde | |||
| Ali Cat | 2000 | 2021-09-25 | Firth of Clyde | |||
| Ali Cat of Cowes | 2017 | 2023-07-07 | Portsmouth Harbour | |||
| Ali Cat of Cowes | 2017 | 2023-07-08 | Portsmouth Harbour | |||
| Alianca Bahia | 9204477 | 1999 | 2000-06-09 | Southampton | ||
| Alianca Europa | 9000742 | 1995 | 2000-06-06 | Southampton | ||
| Alianca Europa | 9000742 | 1995 | 2002-04-18 | Southampton | ||
| Alianca Rotterdam | 9138252 | 1997 | 2000-06-03 | Southampton | ||
| sb Alice | 1954 | 2010-08-15 | Portsmouth Harbour | |||
| Alice James | 1986 | 2006-08-08 | Portsmouth Harbour | |||
| Alicia | 2010-08-14 | Southampton | ||||
| fv Alida | SCH6 | 8224418 | 1984 | 2002-06-16 | Ijmuiden | |
| Alina | 02009617 | 1987 | 2010-06-19 | Rotterdam | ||
| Alioth Leader | 9166895 | 1998 | 1998-03-04 | Southampton | ||
| Alioth Star | 8207032 | 1985 | 2002-06-17 | Rotterdam | ||
| fv Alison Kay | LK57 | 9225938 | 2001 | 2013-05-10 | Lerwick | |
| fv Alison Kay | LK57 | 9225938 | 2001 | 2022-05-21 | Lerwick | |
| fv Alison Louise | UK77 | 7001077 | 1969 | 2008-07-27 | Glencaple | |
| fv Alison Louise | UK77 | 7001077 | 1969 | 2012-05-07 | Glencaple | |
| Alison Macgregor | 1997 | 1997-08-14 | Southampton | |||
| fv Alison Marie | K420 | 1999 | 2013-05-09 | Weddell Bay | ||
| Alisur Asul | 7529926 | 1976 | 1988-07-28 | Southampton | ||
| FS Alizé | A645 | 2005 | 2008-08-09 | Toulon | ||
| Alkyon | 9655224 | 2015 | 2018-06-30 | River Tyne | ||
| fv Allegiance | SH90 | 8604826 | 1987 | 2013-05-06 | Peterhead | |
| Allegre | 7347691 | 1974 | 1997-04-18 | Dunkerque | ||
| HMS Alliance | S67 | 1947 | 1988-04-01 | Portsmouth Harbour | ||
| Alliance | 7727126 | 1979 | 2000-05-20 | River Mersey | ||
| Alliance | 7910864 | 1980 | 2005-05-13 | Haugesund | ||
| Alliance | 8304799 | 1984 | 2010-03-20 | Leith | ||
| Alliance | 8304799 | 1984 | 2011-11-05 | Leith | ||
| Alma | 9140968 | 1997 | 2005-03-26 | Portsmouth Harbour | ||
| Almak | 9173109 | 1999 | 2002-06-17 | Rotterdam | ||
| Almak | 9173109 | 1999 | 2002-06-17 | Rotterdam | ||
| NRP Almeida Carvalho | A527 | 1969 | 1990-07-10 | Saint Nazaire | ||
| Almenum | 9017202 | 1992 | 2002-06-19 | Vlissingen | ||
| Almenum | 9017202 | 1992 | 2002-06-20 | Antwerp | ||
| Almenum | 9017202 | 1992 | 2002-08-15 | Dublin | ||
| Almilan 1 | 8994403 | 1981 | 1997-07-13 | Southampton | ||
| Almilan 2 | 8953148 | 1981 | 1997-07-13 | Southampton | ||
| Almirante Cochrane | FF-05 | 1990 | 2007-09-08 | Portsmouth Harbour | ||
| SPS Almirante Juan de Borbón | F102 | 2003 | 2016-10-09 | Firth of Clyde | ||
| Almyros | 9584138 | 2010 | 2024-03-16 | River Tyne | ||
| RMAS Alnmouth | Y13 | 1966 | 1989-08-05 | Portsmouth Harbour | ||
| Alora | 9534066 | 2011 | 2012-06-23 | Rotterdam | ||
| Alouette Arrow | 7415711 | 1980 | 1997-04-20 | Rotterdam | ||
| Alpha | 02102268 | 1942 | 2002-06-20 | Antwerp | ||
| FS Alphee | Y696 | 1969 | 1989-08-25 | Brest | ||
| FS Alphee | Y696 | 1969 | 1990-07-11 | Brest | ||
| FGS Alster | A50 | 1989 | 1997-06-07 | Kieler Forde | ||
| Alster | 1996 | 1996-07-21 | Southampton | |||
| Alsterdijk | 9491484 | 2011 | 2012-06-23 | Rotterdam | ||
| Alsterstern | 9053220 | 1994 | 2001-09-22 | Southampton | ||
| Alsterstern | 9053220 | 1994 | 2011-06-26 | Rotterdam | ||
| USNS Altair | T-AKR 291 | 7315571 | 1973 | 1994-09-20 | Norfolk, Virginia | |
| pv Altair | 8880195 | 1974 | 1992-09-27 | Rotterdam | ||
| Altair | 7813602 | 1979 | 2001-05-29 | Hamburg | ||
| fv Altaire | LK429 | 9273777 | 2004 | 2015-05-19 | Collafirth | |
| Altea | 5388512 | 1962 | 2009-06-27 | River Mersey | ||
| Altea | 5388512 | 1962 | 2013-06-22 | River Mersey | ||
| Altea II | 8116166 | 1983 | 2016-06-25 | River Mersey | ||
| Alteland | 8922010 | 1990 | 1997-04-11 | River Thames | ||
| Alteland | 9116204 | 1995 | 1997-06-08 | Rendsburg | ||
| Alteland | 9116204 | 1995 | 1997-06-09 | Hamburg | ||
| Altenwerder | 05116370 | 1997 | 1998-05-27 | Hamburg | ||
| Altera Wave | 9863558 | 2021 | 2022-05-13 | Aberdeen | ||
| Altona | 05111890 | 1989 | 1995-08-21 | Hamburg | ||
| NRP Álvares Cabral | F331 | 1991 | 2016-10-09 | Firth of Clyde | ||
| Alvina | 6416938 | 1964 | 1998-05-28 | Kiel-Holtenau |