All instruments A–Z
- Parabolic microphone
- Paraguayan harp
- Parai
- Pardessus de viole
- Party horn
- Pastoral pipes
- Pate
- Pattala
- PC speaker
- Pea whistle
- Pedal clavichord
- Pedal harp
- Pedal keyboard
- Pedal piano
- Pedal steel guitar♪
- Pellet drum
- Pena♪
- Percussion instrument
- Persian musical instruments
- Phandar
- Philomel
- Phin
- Phin pia
- Phonofiddle
- Phonograph♪
- Phorminx
- Piano♪
- Piano accordion
- Piano wire
- Pibgorn
- Piccolino trombone
- Piccolo♪
- Piccolo bass
- Piccolo oboe
- Piccolo trombone
- Piccolo trumpet
- Pickup
- Pidkova
- Piezoelectric speaker
- Piffero
- Pifilca
- Piganino
- Pin
- Pinaka veena
- Pinkillu
- Pipa♪
- Pipe♪
- Pipe organ
- Piri
- Pisha
- Piston
- Pitched percussion instrument
- Piva
- Pixel Buds
- Pixiphone
- Pku
- Plants used as musical instruments
- Plasma speaker
- Player piano♪
- Plectrum banjo
- Ploong
- Plucked string instrument♪
- Pluriarc
- Pochette
- Pocket Operators
- Pocket trumpet
- Podorythmie
- Poeng mang
- Pogo cello
- Polyphon♪
- Pommer
- Pong lang
- Portative organ
- Portuguese guitar
- Positive organ
- Practice chanter
- Prempensua
- Prepared piano♪
- Psalmodicon♪
- Psaltery
- Puerto Rican cuatro
- Pump organ
- Pungi
- Putipù
- Pyrophone
- Pyzhatka
- Pōrutu
- Pūtātara
- Pūtōrino
- Qairaq
- Qanbūs
- Qanun
- Qilaut
- Qinqin
- Qoltuq nagara
- Quarter tone clarinet
- Quasimidi Sirius
- Quena
- Quinticlave
- Quinto
- Quinton
- Quray
- Rabeca
- Rabel
- Raft zither
- Raganella
- Rainstick♪
- Rajão
- Rakatak
- Ramkie
- Ranat
- Ranat ek
- Ranat ek lek
- Ranat thum
- Ranat thum lek
- Ransingha
- Rapach
- Ratchet
- Rattle♪
- Rattle♪
- Rattleback
- Rauschpfeife
- Ravanne
- RCA Type 77-DX microphone
- Reactable♪
- Realistic Concertmate MG-1
- Rebab♪
- Rebana
- Reclam de xeremies
- Reco-reco
- Recorder♪
- Recording studio as an instrument
- Red Color♪
- Reed aerophone
- Reed contrabass
- Regal
- Registration♪
- Repinique
- Requinto guitar
- Requinto jarocho♪
- Residence organ
- Resonator guitar
- Resonator mandolin
- Resonator ukulele♪
- Reyong
- Rhaita
- Rhodes piano
- Rhythmicon
- Ribbon microphone
- Richter-tuned harmonica