P
- Pablo Cruise
- Brad Paisley (2000, 2001, 2008)
- Lee Roy Parnell (1993, 1996)
- Dolly Parton (2001)
- Passenger (1981)
- Johnny Paycheck (1980)
- Pearl Jam (2009)
- Tony Perez (1989)
- Carl Perkins (1980, 1990, 1997 "Legends" classic encore)
- Madeleine Peyroux (2009)
- Phantom Buffalo
- Phish (2000)
- Phoenix (2009)
- Pinetop Perkins (2008)
- Pixies (2005)
- Robert Plant (2002)
- The Polyphonic Spree (2004, 2008)
- Cat Power (2007)
- Freddie Powers (1984, 1985, 1986, 1996 with Willie Nelson)
- Prairie Home Companion Band (1987 with Chet Atkins)
- Ray Price (1980, 1981, 1999)
- Toni Price (2000)
- Charley Pride (1981)
- John Prine (1978, 1983 with Steve Goodman, 1988, 1992, 1996, 2002 with Bonnie Raitt, 2005)
- Chuck Prophet (2003)
- Pure Prairie League (1979)
Read more about this topic: List Of Austin City Limits Performers