P3

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 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 Mobility, an urban mobility ecosystem developer headquartered in Zagreb Croatia
 * 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
 * P(3−), the phosphide anion in chemistry

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