| The Thelonious Monk Orchestra | 1 | 1960 |
| Thelonious Monk Quartet | 7 | 1958 - 2017 |
| Thelonious Monk Quartet Plus Two | 1 | 1977 |
| Thelonious Monk Quartet With Johnny Griffin | 1 | 1975 |
| The Thelonious Monk Quartet | 11 | 1958 - 2017 |
| The Thelonious Monk Quintet | 4 | 1959 - 1969 |
| Thelonious Monk Septet | 5 | 1977 - 2014 |
| Thelonious Monk Trio | 3 | 1956 - 1982 |
| Thelonious Monk With John Coltrane | 2 | 2013 |
| Them | 51 | 1965 - 2016 |
| Them Bird Things | 1 | 2010 |
| Them Crooked Vultures | 1 | 2022 |
| Them Featuring Van Morrison | 7 | 1972 - 1986 |
| Then Jerico | 3 | 1987 - 1989 |
| Thenewno2 | 1 | 2012 |
| Theo Croker | 2 | 2021 - 2023 |
| Theo Erasmus | 5 | 1967 - 1978 |
| Theo Erasmus En Sy Orkes | 4 | 1967 - 1978 |
| Theo Koomen en Dick van Rijn | 1 | 1971 |
| Theo Lawrence | 1 | 2023 |
| Theo Le Maguet | 1 | 1977 |
| Theo Sarapo | 1 | 1965 |
| Theo Schumann | 4 | 1971 - 1977 |
| Theo Schumann-Combo | 3 | 1971 - 1972 |
| Theo Van Der Pas | 1 | |
| Theo Vaness | 26 | 1977 - 1980 |
| Theodora Schulze, Harold Kohon, Rachmael Weinstock, Orchester Der Telemann Society | 1 | 1967 |
| Theodorakis | 1 | 1988 |
| Theodore Alevizos | 1 | 1960 |
| Theodore Bikel | 45 | 1956 - 1975 |
| Theodore Bikel And Cynthia Gooding | 2 | 1956 - 1957 |
| Theodore Bikel And Guela Gill | 2 | 1958 - 1959 |
| Theodore Bikel And The Pennywhistlers | 3 | 1967 |
| Therapy | 6 | 1972 - 1980 |
| Therapy? | 3 | 1992 - 1995 |
| Theresa Dufty And The Goderich Harbouraires | 1 | 1979 |
| Thérèse Deroy | 1 | 1966 |
| Therese Edell | 1 | 1977 |
| Thérèse Steinmetz | 1 | 1967 |
| Thereza Bazar | 1 | 1985 |
| Therion | 2 | 2012 |
| Theunes Botes | 1 | 1976 |
| Theuns Munnick And Johan Joubert | 1 | |
| They Might Be Giants | 31 | 1986 - 2020 |
| They Must Be Russians | 1 | 1983 |
| Thick Pigeon | 1 | 1984 |
| Thierry Fervant | 1 | 1984 |
| Thierry King | 8 | 1966 - 1985 |
| Thierry Le Luron | 4 | 1971 - 1986 |
| Thierry Maucci, Bernard Mourier, Marc Simon | 1 | 1982 |
| Thierry Mutin | 1 | 1988 |
| Thierry Vincent | 1 | 1990 |
| Thieves | 1 | 1979 |
| The Thieves | 1 | 1989 |
| Thijs van Leer | 12 | 1972 - 1985 |
| Thin Lizzy | 145 | 1971 - 2023 |
| Thin White Rope | 5 | 1985 - 1991 |
| Things | 1 | 1989 |
| Things That Fall Down | 1 | 1992 |
| Think | 1 | 1971 |
| Think Twice | 1 | 1992 |
| Thinkman | 2 | 1986 |
| The Third Bardo | 1 | 2000 |
| Third Ear Band | 5 | 1969 - 1976 |
| The Third Eye | 5 | 1969 - 2010 |
| The Third Power | 3 | 1970 - 2016 |
| The Third Rail | 2 | 1967 |
| Third World | 29 | 1976 - 1989 |
| Third World War | 2 | 1971 - 2017 |
| The Third World | 1 | 1971 |
| Thirteenth Floor Elevators | 2 | 1967 |
| The Thirteenth Floor Elevators | 17 | 1966 - 2023 |
| Thirty Days Out | 2 | 1971 - 1972 |
| Thirty Eight Special | 2 | 1988 |
| Thirty Seconds To Mars | 1 | 2009 |
| This Compilation | 1 | 1989 |
| This Fluid | 1 | 1997 |
| This Happy Breed! | 1 | 1995 |
| This Heat | 2 | 1979 - 1981 |
| This Is The Kit | 1 | 2017 |
| This Kind Of Punishment | 7 | 1983 - 2019 |
| This Mortal Coil | 2 | 1984 - 1986 |
| This Oneness | 1 | 1975 |
| This Picture | 1 | 1991 |
| Thijs van Leer - Rogier van Otterloo - Louis van Dijk | 2 | 1976 |
| This Winter Machine | 2 | 2019 - 2021 |
| Thom Gambino | 1 | 1973 |
| Thom Morecroft | 1 | 2023 |
| Thomanerchor Leipzig Mitgleider Des Gewandhausorchesters Leipzig Dirigent: Kurt Thomas | 1 | 1959 |
| Thomas "Fats" Waller | 3 | 1955 - 1965 |
| Thomas "Snake" Johnson | 1 | 1988 |
| Thomas 'Coke' Escovedo | 1 | 1977 |
| Thomas Almqvist | 3 | 1979 - 2023 |
| Thomas And Richard Frost | 1 | 1972 |
| Thomas And Taylor | 1 | 1987 |
| Thomas Brandis, Giusto Cappone, Karl Steins, Karl Leister, Gerd Seifert, Günther Piesk, Karl Böhm And Berliner Philharmoniker | 1 | 1966 |
| Thomas Christoph | 1 | 1987 |
| Thomas Diethelm | 1 | 1981 |
| Thomas Dolby | 15 | 1982 - 1988 |
| Thomas F. Browne | 3 | 1971 - 1972 |
| Thomas Fritsch | 1 | 1968 |
| Thomas Fuchsberger | 1 | 1984 |
| Thomas Funck | 1 | 1964 |
| Thomas Funck, Anita Lindman Och Ola Lundberg | 1 | 1972 |
| Thomas Helmig | 5 | 1985 - 1992 |
| Thomas Helmig Brothers | 2 | 1986 - 1987 |
| Thomas Jefferson Kaye | 6 | 1973 - 1974 |
| Thomas Jensen | 1 | 1978 |
| Thomas Kinsella | 1 | 1971 |
| Thomas L. Thomas | 2 | 1956 |
| Thomas Leer And Robert Rental | 1 | 1979 |
| Thomas Mann | 1 | 1966 |
| Thomas Mapfumo And The Blacks Unlimited | 2 | 1985 - 1989 |
| Thomas Natschinski-Gruppe | 1 | 1971 |
| Thomas Newman | 1 | 1990 |
| Thomas P. Costin Jr. | 1 | 1964 |
| Thomas Scherman | 5 | 1959 |
| The Thomas Scott Quintet | 1 | 2020 |
| Thomas Sliomis - Daunik Lazro | 1 | 1983 |
| Thomas Talbert | 2 | 1956 |
| Thomas Wynn And The Believers | 1 | 2017 |
| Thomas Yates | 3 | 1967 - 1977 |
| Thommie Bayer | 2 | 1979 - 1988 |
| Thompson Twins | 29 | 1981 - 1989 |
| The Thompson Twins | 1 | 1988 |
| Thor | 2 | 1984 - 1985 |
| Thor Görans | 1 | 1989 |
| Thor Modéen Med Artur Rolén Och John Botvid | 1 | 1973 |
| Thor's Hammer | 1 | 2014 |
| Thor-Erics | 12 | 1967 - 1983 |
| Thorbjørn Risager And The Black Tornado | 1 | 2022 |
| Thord Åhman | 2 | 1985 - 1987 |
| Thore Callmars Orkester | 1 | 1973 |
| Thore Ehrling | 1 | 1972 |
| Thore Ehrlings Orkester | 1 | 1972 |
| Thore Skogman | 38 | 1963 - 1988 |
| Thore Skogman , Jan Borseths Orkester | 1 | 1985 |
| Thore Skogman Og Inger Jacobsen | 5 | 1968 - 1971 |
| Thore Skogman, Eva Bysing | 1 | 1973 |
| Thore Skogman, Ewa Roos, Lars Lönndahl | 1 | 1987 |
| Thore Skogman, Jan Borseths Orkester | 1 | 1987 |
| Thore Skogman, Lisebergs Promenadorkester | 1 | 1973 |
| Thore Skogman, Simon Brehm, Arne Bendiksen | 1 | 1977 |
| Thore Skogman, Stimulans | 1 | 1987 |
| Thore Skogman, Ulla Sallert | 1 | 1980 |
| Thorina Bosman En Koor | 1 | 1970 |
| Thorinshield | 2 | 1967 |
| Thorleifs | 13 | 1973 - 1988 |
| The Thornes Trio | 1 | 1975 |
| Thornton, Fradkin And Unger And The Big Band | 2 | 1974 - 1998 |
| Thorpe House School Choir | 1 | |
| Thorstein Bergman | 3 | 1967 - 1983 |
| Thorstein Bergman & Moniqa Sunnerberg Och Jaconelli's Kapell | 1 | 1976 |
| Thory Bernhards | 7 | 1963 - 1989 |
| Those Fantabulous Strings | 2 | 1955 - 1965 |
| Those Nervous Animals | 1 | 1985 |
| The Thought Criminals | 2 | 1981 - 2005 |
| Thoughts And Words | 1 | 1969 |
| Thousand Yard Stare | 1 | 1992 |
| THP Orchestra | 1 | 1977 |
| Thrash Queen | 1 | 1984 |
| Thrasher | 1 | 1985 |
| Thrashing Doves | 1 | 1987 |
| The Threads | 3 | 1987 - 2019 |
| The Three Caps | 1 | 1967 |
| The Three Chuckles | 1 | 1956 |
| Three City Four | 1 | 1965 |
| The Three Crows | 2 | 1973 - 1975 |
| The Three Degrees | 36 | 1970 - 1989 |
| Three Dog Night | 97 | 1968 - 1986 |
| The Three Guys | 1 | 1979 |
| The Three Jacksons | 1 | |
| The Three Jacquets | 1 | 1965 |
| The Three Johns | 3 | 1984 - 1988 |
| Three Man Army | 6 | 1971 - 1974 |
| Three Monks | 1 | 2011 |
| The Three New Pennies | 1 | |
| Three O'Clock | 1 | 1988 |
| The Three O'Clock | 7 | 1983 - 1988 |
| Three Of A Kind | 1 | 1983 |
| Three On A String | 1 | 1979 |
| Three Ounces Of Love | 3 | 1978 |
| The Three Out | 1 | 1961 |
| Three Petersen Brothers | 1 | 1958 |
| Three Pieces | 1 | 1975 |
| The Three Pieces | 2 | 1995 |
| The Three Reeds | 1 | |
| The Three Ring Circus | 1 | 1968 |
| Three Souls In My Mind | 2 | 1975 |
| The Three Sounds | 6 | 1960 - 1986 |
| The Three Staff Bands Of The Royal Tank Regiment And The Pipes And Drums Of The 4th Royal Tank Regiment | 1 | 1977 |
| The Three Stooges | 4 | 1963 - 1983 |
| Three Suns | 1 | |
| The Three Suns | 58 | 1951 - 1976 |
| The Three | 1 | 1976 |
| Threewheel | 1 | 1975 |
| Threshold | 1 | 1982 |
| Thrice Mice | 1 | 1971 |
| Thriftstore Masterpiece Presents | 1 | 2013 |
| Thriller U | 1 | 1992 |