P3, P-3, P.3, or P03 may refer to: Entertainment Persona 3, a 2006 video game Postal III, a 2011 video game Third (Portishead album), 2008 music album P3 Club, a fictional nightclub in the television series Charmed PartyNextDoor 3, an album by PartyNextDoor Periphery III: Select Difficulty, Periphery's fifth album, released in 2016. Radio stations DR P3, Denmark NRK P3, Norway Sveriges Radio P3, Sweden Organizations P3 group (formerly also P3 Ingenieurgesellschaft), a defunct German engineering service provision company P3 art and environment, an arts organisation in Tokyo, Japan Polish Pirate Party, a political party in Poland based on the model of the Swedish Pirate Party P3 International, the maker of Kill A Watt electricity usage meters P3 America, Britain and France as nuclear powers Science and technology P3 laboratory, biosafety-level-3 laboratory ATC code P03 Ectoparasiticides, including scabicides, insecticides and repellents, a subgroup of the Anatomical Therapeutic Chemical Classification System Honda P3, a robot P3, successor to the Rega Planar 3 LP record player P300 (neuroscience) or P3, a neural evoked potential component of the electroencephalogram (EEG) Pentax P3, a camera model Period 3, a row of the periodic table of elements Pioneer P-3, an intended lunar orbiter probe Primavera (software), or Primavera Project Planner, a project management software package Sony Cyber-shot DSC-P3, a Sony Cyber-shot camera SARS-CoV-2 Theta variant, one of the variants of SARS-CoV-2, the virus that causes COVID-19 Computing Pentium III, a brand of microprocessors Intel 80386, the third processor in the x86 line DCI-P3, a color space used for some monitors and projectors Transportation Alfa Romeo P3, a racing car NER Class P3, a locomotive P3 (AirTrain Newark station), a US station P3, a national road in Latvia Volvo P3 platform, an automobile platform Aviation Curtiss P-3 Hawk, an American fighter aircraft of the 1920s Lockheed P-3 Orion, an American maritime patrol aircraft Piaggio P.3, an Italian night bomber prototype of the 1920s Pilatus P-3, a Swiss military training aircraft of the 1950s Cochise College Airport (FAA LID) Other uses Public–private partnership, a type of business venture