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- Mikko Paananen (HIM)
- Sascha Paeth (Luca Turilli's Dreamquest)
- Richard Page (Mr. Mister)
- Pino Palladino (John Mayer Trio, The Who)
- Bruce Palmer (Buffalo Springfield)
- Dave "Yorkie" Palmer (Space)
- Chuck Panozzo (Styx)
- Horace Panter (The Specials, General Public)
- Felix Pappalardi (Mountain)
- Dave Parsons (Bush, The Partisans, Transvision Vamp)
- Drew Parsons (American Hi-Fi)
- Jaco Pastorius (Pat Metheny, Weather Report, Joni Mitchell)
- John Patitucci (Chick Corea)
- David Paton (Pilot, The Alan Parsons Project)
- Roger Patterson (Atheist)
- Joe Payne (Divine Heresy)
- Jeff Pearce (Moist, David Usher)
- Justin Pearson (The Locust, Some Girls, Head Wound City)
- Bojan Pečar (EKV)
- Share Pedersen (Vixen)
- Dave Pegg (Jethro Tull)
- Wendy Penney (Bermuda Triangle Band)
- Jesse Peretz (The Lemonheads)
- Tom Petersson (Cheap Trick)
- Tom Petty (Tom Petty and the Heartbreakers, Mudcrutch, The Traveling Wilburys)
- Mauro Pezzente (Godspeed You! Black Emperor)
- Kristen Pfaff (Janitor Joe, Hole, Palm)
- Pig Benis (Mushroomhead)
- Jeff Pilson (Dokken, Foreigner)
- Jeff Pinkus (Butthole Surfers)
- Doug Pinnick (King's X)
- Paulo Xisto Pinto Jr. (Sepultura)
- Brian Pittman (Relient K, Inhale Exhale)
- P-Nut (311)
- Pekka Pohjola (Wigwam)
- Robert "Pops" Popwell
- Mike Porcaro (Toto)
- Lauri Porra (Stratovarius)
- Tiran Porter (The Doobie Brothers)
- Frankie Poullain (The Darkness)
- Millard Powers (Majosha, Counting Crows)
- Dougie Poynter (McFly)
- Bondan Prakoso
- Guy Pratt (Pink Floyd, David Gilmour, Roxy Music)
- Pino Presti (Mina, Shirley Bassey, Gerry Mulligan, Astor Piazzolla)
- Francis "Rocco" Prestia (Tower of Power)
- Joe Preston (Sunn O))), Thrones, High on Fire, The Melvins)
- Steve Priest (Sweet)
- Prince
- Joe Principe (Rise Against)
- Joe Puerta (Ambrosia, Bruce Hornsby and the Range)
- Dave "Herr Pubis" Pybus (Cradle of Filth, Anathema)
- Howie Pyro (D Generation, Danzig)
Read more about this topic: List Of Bass Guitarists