| Ship Name | Hull No. | IMO No. | ENI No. | Year Built | Date Taken | Location |
|---|---|---|---|---|---|---|
| Themsestern | 2000 | 2012-06-24 | Rotterdam | |||
| Theodore A | 7370791 | 1974 | 1992-09-27 | Rotterdam | ||
| fv Theodoron | AH165 | 1980 | 2010-08-10 | River Tyne | ||
| Theresa Begonia | 1994 | 2010-06-20 | Rotterdam | |||
| Theresa Mediterranean | 1986 | 2010-06-19 | Rotterdam | |||
| Therese | 1907 | 2001-03-20 | Hamburg | |||
| Therese Delmas | 1983 | 1994-03-07 | Le Havre | |||
| Theseus | 2000 | 2008-04-24 | Holyhead | |||
| Theseus | 2000 | 2011-06-27 | Rotterdam | |||
| FS Thetis | A785 | 1988 | 1989-08-25 | Brest | ||
| Thisseas | 9493896 | 2012 | 2013-07-07 | Firth of Clyde | ||
| sb Thistle | 1895 | 1989-06-17 | River Thames | |||
| Thomas | 1976 | 1994-09-18 | New York | |||
| Thomas de Gauwdief | 7052961 | 1971 | 2002-01-28 | Southampton | ||
| Thomas de Gauwdief | 7052961 | 1971 | 2002-06-17 | Rotterdam | ||
| Thomas Doggett | 2016 | 2023-07-06 | River Thames | |||
| RNLB Thomas Forehead & Mary Rowse II | 44-010 | 1974 | 1996-05-05 | Fowey | ||
| Thomas M | 1961 | 1995-08-25 | Hamburg | |||
| Thomas Wehr | 7613404 | 1977 | 2001-05-30 | Felixstowe | ||
| Thomson Celebration | 8027298 | 1984 | 2008-05-06 | River Tyne | ||
| Thomson Spirit | 8024014 | 1983 | 2014-08-23 | River Tyne | ||
| Thor | 1970 | 2002-06-29 | River Mersey | |||
| Thor | 1970 | 2003-06-14 | River Mersey | |||
| Thor Heyerdahl | 5221491 | 1930 | 2010-08-07 | Hartlepool | ||
| Thor Provider | 8971633 | 2000 | 2008-05-05 | Stavanger | ||
| Thora | 7347354 | 1975 | 2003-05-11 | Toft | ||
| Thora | 7347354 | 1975 | 2013-05-11 | Sella Ness | ||
| Thora | 7347354 | 1975 | 2015-05-20 | Scalloway | ||
| Thora | 7347354 | 1975 | 2015-10-19 | Firth of Clyde | ||
| Thorax | 12 | 9056789 | 1993 | 2008-05-04 | Stavanger | |
| Thorax | 12 | 9056789 | 1993 | 2013-09-12 | Firth of Tay | |
| fv Thornella | H96 | 8705216 | 1988 | 2000-06-17 | Hull | |
| Thorsvoe | 9014743 | 1991 | 2003-05-09 | Kirkwall | ||
| Thorsvoe | 9014743 | 1991 | 2003-05-09 | Kirkwall | ||
| Thorsvoe | 9014743 | 1991 | 2003-05-09 | Kirkwall | ||
| Thorsvoe | 9014743 | 1991 | 2013-05-08 | Kirkwall | ||
| Thorsvoe | 9014743 | 1991 | 2013-05-08 | Kirkwall | ||
| Thraki II | 1994 | 2001-06-23 | Whitehaven | |||
| Thrax | 16 | 9085209 | 1994 | 2001-09-22 | Southampton | |
| Thrax | 16 | 9085209 | 1994 | 2002-08-18 | Solent | |
| Thrax | 16 | 9085209 | 1994 | 2003-08-17 | Southampton | |
| fv Three Sisters | BRD584 | 1978 | 2011-11-06 | Port Seton | ||
| fv Three Sisters | BRD584 | 1978 | 2012-09-18 | Port Seton | ||
| Thun Blyth | 9871062 | 2020 | 2022-05-12 | Aberdeen | ||
| Thun Britain | 9897482 | 2022 | 2022-05-20 | Lerwick | ||
| Thun Britain | 9897482 | 2022 | 2022-05-20 | Lerwick | ||
| Thun Goliath | 9297204 | 2004 | 2015-06-20 | River Mersey | ||
| Thun Grace | 9190195 | 1999 | 2021-10-11 | Aberdeen | ||
| Thun Venern | 9739824 | 2018 | 2022-03-24 | Firth of Clyde | ||
| Thuntank 8 | 8321321 | 1985 | 1989-06-17 | River Medway | ||
| Thutmose | 1981 | 1992-09-27 | Rotterdam | |||
| Thyra | 02313611 | 1972 | 2011-06-24 | Rotterdam | ||
| Tianshunhai | 9203124 | 2000 | 2002-06-22 | Dunkerque | ||
| Tiare | 9391971 | 2009 | 2013-06-22 | River Mersey | ||
| fv Ticino | F44 | 1971 | 2009-09-26 | River Tyne | ||
| TID 164 | 1945 | 2002-06-04 | River Medway | |||
| TID 172 | 1946 | 2001-05-26 | Harwich | |||
| TID 172 | 1946 | 2002-06-04 | River Medway | |||
| rv Tide | 1990 | 1997-06-06 | Bremerhaven | |||
| RFA Tiderace | A137 | 9655547 | 2017 | 2019-04-19 | Firth of Clyde | |
| RFA Tiderace | A137 | 9655547 | 2017 | 2021-07-17 | Firth of Clyde | |
| RFA Tidespring | A75 | 5361033 | 1963 | 1987-10-03 | Portsmouth Harbour | |
| RFA Tidespring | A75 | 5361033 | 1963 | 1989-07-28 | Plymouth | |
| RFA Tidespring | A75 | 5361033 | 1963 | 1989-08-27 | Portsmouth Harbour | |
| RFA Tidespring | A75 | 5361033 | 1963 | 1992-01-06 | Portsmouth Harbour | |
| Tideway | 1973 | 2000-06-16 | River Thames | |||
| Tideway | 1973 | 2002-09-03 | River Thames | |||
| Tideway | 1973 | 2009-10-21 | River Thames | |||
| Tidy Thames I | 2009-06-14 | River Thames | ||||
| Tiger | 1957 | 1995-08-23 | Hamburg | |||
| pv Tiger | 1976 | 2002-10-23 | Whitehaven | |||
| pv Tiger | 1976 | 2014-03-22 | Whitehaven | |||
| Tijger | 1977 | 1998-05-27 | River Elbe | |||
| HrMs Tijgerhaai | S807 | 1972 | 1989-07-02 | Portsmouth Harbour | ||
| Till | 2008 | 2014-06-14 | Montrose | |||
| Tillerman | 1975 | 1995-08-25 | River Elbe | |||
| Tilly | 1955 | 2010-05-23 | River Thames | |||
| Tim Ruprecht | MP2 | 2023 | 2023-07-06 | River Thames | ||
| fv Time and Tide | B952 | 1967 | 2023-06-29 | Portavogie | ||
| Timor Stream | 9172947 | 1998 | 2011-08-07 | Portsmouth Harbour | ||
| Timor Stream | 9172947 | 1998 | 2013-06-10 | Portsmouth Harbour | ||
| Timrix | 7525607 | 1977 | 2002-08-11 | Hull | ||
| Tina | 1960 | 1997-06-09 | Hamburg | |||
| Tina | 7931088 | 1980 | 1995-08-21 | Hamburg | ||
| Tina | 1985 | 1997-06-09 | Hamburg | |||
| Tina I | 8027755 | 1982 | 2002-06-17 | Rotterdam | ||
| Tina Med | 7931088 | 1980 | 1998-01-21 | Southampton | ||
| Tinka | 7510676 | 1976 | 2002-04-20 | Southampton | ||
| Tinka | 7510676 | 1976 | 2002-07-06 | Southampton | ||
| Tinka | 7510676 | 1976 | 2003-05-03 | Southampton | ||
| Tinsdal | 1998 | 2014-05-11 | Firth of Clyde | |||
| Tioga B | 1981 | 2002-08-15 | Dublin | |||
| Tioga B | 1981 | 2013-03-29 | Firth of Clyde | |||
| Tioga B | 1981 | 2015-06-04 | Firth of Clyde | |||
| Tipasa | 7035975 | 1971 | 1990-07-06 | Marseille | ||
| PNS Tippu Sultan | 185 | 1978 | 2005-07-03 | Portsmouth Harbour | ||
| Tirador | 9163702 | 1997 | 2003-08-16 | River Medway | ||
| HMS Tireless | S88 | 1985 | 1988-08-10 | Plymouth | ||
| HMS Tireless | S88 | 1985 | 1988-08-29 | Portsmouth Harbour | ||
| HMS Tireless | S88 | 1985 | 1989-07-23 | Portland Harbour |