P2, P02, P.2, or P-2 might refer to several subjects:
Technology P2 (storage media), a "Professional Plug-in" solid state data storage technology employed by Panasonic DSC-P2, a Sony Cyber-shot P series camera model Honda P2, a 1996 Honda P series of robots, an ASIMO predecessor Intel 80286, 2nd generation processor architecture Pentium II, 6th generation Intel central processing unit Samsung P2, a 2007 flash memory based Yepp portable media player P2 audio connector, see Phone connector (audio)
Science Bacteriophage P2, a temperate phage of the family Myoviridae that infects E. coli P2 laboratory, biosafety-level-2 laboratory P2 receptor, a purinergic and pyrimidinergic cell surface receptor P2, a pulmonic valve closure sound Nix (moon) (former designation P2), a moon of Pluto P200 or P2, a component of brain evoked-response potential ATC code P02 Anthelmintics, a subgroup of the Anatomical Therapeutic Chemical Classification System Buffer P2, a lysis buffer solution Period 2, of the periodic table Pollution prevention in the US, an environmental management strategy emphasizing avoiding waste rather than treating it Diphosphorus (), an inorganic chemical SARS-CoV-2 Zeta variant, one of the variants of SARS-CoV-2, the virus that causes COVID-19 P2 (space group), three-dimensional space group no. 3
Transportation P2 transport, a World War II passenger ship/troop ship design of the United States Maritime Commission P2, a State 1st class road in Latvia LNER Class P2, a class of 6 British 2-8-2 locomotives designed by Sir Nigel Gresley
Aircraft P-2 Hawk, a variant of the 1923 P-1 Hawk biplane fighter of the United States Army Air Corps P-2 Neptune, known as "P2V Neptune" until 1962, a United States Navy maritime patrol and antisubmarine warfare aircraft introduced in 1947 Piaggio P.2, a 1923 Italian fighter prototype Pilatus P-2, a Swiss Air Force trainer aircraft in service from 1946 to 1981 Polikarpov P-2, a Soviet Polikarpov biplane trainer prototype
Automobiles Alfa Romeo P2, an iconic 1920s racing automobile Prodrive P2, an automobile built by Prodrive Volvo P2 platform, an automobile platform
Entertainment P2 (film), a 2007 suspense/thriller film directed by Franck Khalfoun P2 virus, a fictional virus in the novel The Second Angel DR P2, a Danish radio channel playing classical music and jazz, literary programming and radio dramas NRK P2, a Norwegian radio channel playing cultural programming operated by Norsk rikskringkasting Sveriges Radio P2, a Swedish radio channel playing classical music, jazz and world music operated by Sveriges Radio Persona 2, 1999 and 2000 role-playing video games by Atlus Portal 2, a 2011 puzzle-platform video game by Valve Postal 2, a 2003 first-person shooter by Running with Scissors "P2" (song), a 2020 song by Lil Uzi Vert from the album Eternal Atake
Other uses P2 (panel building), a design for blocks of flats used in East Germany P-2 (mountain lion), a mountain lion in the Santa Monica Mountains Papyrus 2 (P2, ), a papyrus New Testament manuscript Propaganda Due, an Italian Masonic lodge, legal 1945–76 and afterwards clandestine and conspiratorial
See also 2P (disambiguation)