- Tasmin ArcherFormed / started: 3 August 1963Note: British singer-songwriter
- Ted MasonDecade started: 1970sGenres: rock music
- Terry DeneBorn in: LondonDecade started: 1950s
- Terry KirkbrideDecade started: 1990sGenres: rock music
- Terry McDermottDecade started: 2000sGenres: rock music
- Terry ReidFormed / started: 13 November 1949Split up / ended: 5 August 2025
- Tetsu YamauchiBorn in: FukuokaDecade started: 1940s
- Thomas WhiteBorn in: BrightonDecade started: 2000s
- ThunderstickBorn in: LondonDecade started: 1970s
- Tim BrichenoBorn in: HuddersfieldDecade started: 1960s
- Tim CurryFormed / started: 19 April 1946Note: English actor and singer
- Tim FollinFormed / started: 19 December 1970Note: video game music composer
- Tim HinkleyFormed / started: 25 May 1946Split up / ended: 22 August 2024
- Tim HinkleyBorn in: LondonDecade started: 1960s
- Tim SmithFormed / started: 3 July 1961Split up / ended: 21 July 2020
- Todd SharpvilleBorn in: LondonDecade started: 1970s
- Tom ChapmanBorn in: ChevreuseDecade started: 1970s
- Tom EvansFormed / started: 5 June 1947Split up / ended: 19 November 1983
- Tom HingleyBorn in: Abingdon-on-ThamesDecade started: 1980s
- Tom RobinsonFormed / started: 1 June 1950Note: British singer-songwriter, bassist and radio presenter
- Tom RowlandsBorn in: Kingston upon ThamesDecade started: 1970s
- Tommy EyreFormed / started: 5 July 1949Split up / ended: 23 May 2001
- Tony BanksFormed / started: 27 March 1950Note: Genesis
- Tony BourgeBorn in: CardiffDecade started: 1960s
- Tony BrayBorn in: Newcastle upon TyneDecade started: 1960s
- Tony ButlerBorn in: Shepherd's BushDecade started: 1980s
- Tony DolanBorn in: Newcastle upon TyneDecade started: 1960s
- Tony FernandezDecade started: 1940sGenres: rock music
- Tony IommiBorn in: BirminghamDecade started: 1960s
- Tony McGovernDecade started: 1970sGenres: rock music
- Tony McPheeFormed / started: 23 March 1944Split up / ended: 6 June 2023
- Tony MeehanBorn in: HampsteadDecade started: 1950s
- Tony NewmanBorn in: SouthamptonDecade started: 1940s
- Tony RogersDecade started: 1960sGenres: rock music
- Tony SheridanFormed / started: 21 May 1940Split up / ended: 16 February 2013
- Trevor GordonBorn in: BlackpoolDecade started: 1960s
- Trevor Ward-DaviesBorn in: EnfordDecade started: 1940s
- TrickyFormed / started: 27 January 1968Note: UK trip hop producer Adrian Thaws
- Tubby HayesFormed / started: 30 January 1935Split up / ended: 8 June 1973
- TwinkFormed / started: 29 November 1944Note: John Charles Alder; psychedelic music