Groups, choirs, orchestras and ensembles beginning P
- Pallid Harriers
- Palmhouse Players
- Pantagruel
- Paprika
- Paprika Balkanicus
- Parnassian Ensemble
- Passacaglia
- Passamezzo
- Pavel Haas Quartet
- Pavel Haas String Quartet
- Pegasus Choir
- Pershore Choral Society
- Perth Choral Society
- Peterborough Chamber Choir
- Petersfield Choral Society
- Petros Moschos and Dimitris Karydis
- Philharmonia Britannica
- Philharmonia Chorus
- Philharmonia Orchestra
- Philharmonia Voices
- Philomusica
- Philomusica Choir
- Philomusica of Aberystwyth
- Philomusica of Gloucestershire and Worcestershire
- Philomusica Orchestra
- Phoenix Brass Quintet
- Phoenix Choir (Eastbourne)
- Phoenix Chorale
- Phoenix Concert Band
- Phoenix Festival Orchestra
- Phoenix Orchestra
- Phoenix Singers Leek
- pianocircus
- Piatti String Quartet
- Plaegan Piano Quartet
- Plymouth Gilbert and Sullivan Fellowship
- Plymouth Philharmonic Choir
- Plymouth Philharmonic Choir and Orchestra
- Polish National Radio Symphony Orchestra
- Polymnia
- Polyphony
- Pongos Youth Choir
- Port Sunlight Orchestra
- Portobello Orchestra
- Portsmouth Choral Union
- Powerplant
- Praetorius brass quintet
- Prague Symphony Orchestra
- Preston Cecilian Choral Society
- Prima Voce from the Yeovil Singing Studio
- Primary Chords (children's choir of Kidderminster Choral Society)
- Prime Brass
- Principal Players of the Hanover Band
- Pro Corda
- Pro Nobis Singers
- Promenade Concert Orchestra
- Prometheus Orchestra
- Prospectus
- Psappha
- Psophos Quartet
- Purbeck Festival Strings
- Pure Brass Quintet
- Putney and City Philharmonic Choir
- Putney and City Philharmonic Choral Societies
- Purcell Club