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- Eric Taylor (2000 with Lyle Lovett, 2002)
- Susan Tedeschi (1999, 2001 with Double Trouble, 2003)
- The Texas Playboys (1976, 1978, 1985)
- Texas Swing Pioneers (1980)
- Texas Tornados (1991, 2000)
- Them Crooked Vultures (2010)
- Thievery Corporation (2008)
- B. J. Thomas (1983)
- Irma Thomas (1998)
- Butch Thompson (1987 with Chet Atkins)
- Hank Thompson (1981 & 1981 "Encore", 1996 with Michael Martin Murphey, 1999)
- Richard Thompson (2001)
- George Thorogood and the Destroyers (1982)
- Sonny Throckmorton (1980, 1981 "Encore")
- Mel Tillis (1980, 1986)
- Pam Tillis (1993, 1996 & 1996 with Willie Nelson, 2000 with Marty Stuart)
- Floyd Tillman (1980, 1981 "Encore")
- Timbuk3 (1989)
- Tompall & the Glaser Brothers (1982)
- Allen Toussaint (2010)
- Merle Travis (1978, 1997 "Legends" classic encore)
- Randy Travis (1987)
- Rick Trevino (1995)
- Travis Tritt (1992, 1997)
- Ernest Tubb (1978)
- The Strokes (2010)
- Tanya Tucker (1986)
- KT Tunstall (2006)
Read more about this topic: List Of Austin City Limits Performers