P5
- 311P/PANSTARRS
- 5P (disambiguation)
- Copa Airlines Colombia
- Martin P5M Marlin
- Mazda Familia
- Norrbotten Armoured Battalion
- P-5 Hawk
- P-5 Pyatyorka
- P5 (comics)
- P5 (microarchitecture)
- P5 Glove
- P5 Truss Segment
- P5+1
- PRR P5
- Palatine P 5
- Particle Physics Project Prioritization Panel
- Perfect fifth
- Period 5
- Perl
- Permanent members of the United Nations Security Council
- Persona 5
- Pizzicato Five
- Polikarpov P-5
- Power Five conferences
- Pregnenolone
- Processing (programming language)
- Rover P5
- Styx (moon)
- System p5
- Walther P5