P1, P01, P-1 or P.1 may refer to:

Computing, robotics, and, telecommunications

* DSC-P1, a 2000 Sony Cyber-shot P series camera model * Sony Ericsson P1, a UIQ 3 smartphone * Packet One, the first company to launch WiMAX service in Southeast Asia * Peer 1, an Internet hosting provider * Honda P1, a 1993 Honda P series of robots, an ASIMO predecessor

Media

* DR P1, a Danish radio network operated by Danmarks Radio * NRK P1, a Norwegian radio network operated by the Norwegian Broadcasting Corporation * SR P1, a Swedish radio network operated by Sveriges Radio * Polonia 1, a Polish TV channel of the Polcast Television

Military

* P-1 Hawk, a 1923 biplane fighter of the U.S. Army Air Corps * Kawasaki P-1, a Japanese maritime patrol aircraft (previously P-X) *

P-1 (missile) The KSShch (russian: Корабельный снаряд «Щука» (КСЩ); tr.:''Korabelny snaryad Shchuka (KSShch)''; en, Shchuka Anti-Ship Missile, "Shchuka" – pike in English) was a Soviet anti-ship cruise missile design that carr ...

, a Soviet anti-ship cruise missile

Science

Biology

* P1 antigen, identifies P antigen system * P1 laboratory, biosafety -level-1 laboratory * P1 phage, a bacterial virus * SARS-CoV-2 Gamma variant, a strain of COVID-19 virus SARS-CoV-2 first detected in Manaus, Brazil in 2020 *

ATC code P01 P01A Agents against amoebiasis and other protozoal diseases P01AA Hydroxyquinoline derivatives :P01AA01 Broxyquinoline :P01AA02 Clioquinol :P01AA04 Chlorquinaldol :P01AA05 Tilbroquinol :P01AA30 Tilbroquinol and tiliquinol :P01AA52 Clioquinol, comb ...

''Antiprotozoals'', a subgroup of the Anatomical Therapeutic Chemical Classification System * Pericarp color1 (p1), a gene in the phlobaphene biosynthesis pathway in maize * C1 and P1 (neuroscience), a component of the visual evoked potential * P1 nuclease, a nuclease that works on single-stranded DNA as well as RNA

Other sciences

* Period 1 of the periodic table * Pollard's p − 1 algorithm for integer factorization * P-ONE - a proposed neutrino detector

Transportation

Automobiles

* P1 International, a car club founded in Leatherhead, Surrey, England * Alfa Romeo P1, a 1932 Grand Prix car * Allard P1, a 1949 British five seater two door sports saloon * McLaren P1, a sports car succeeding the McLaren F1. * Porsche P1, first electric car produced by Ferdinand Porsche in 1898 * P-1, development code name of the Subaru 1500 automobile * P1 race class in the

Le Mans Le Mans (, ) is a city in northwestern France on the Sarthe River where it meets the Huisne. Traditionally the capital of the province of Maine, it is now the capital of the Sarthe department and the seat of the Roman Catholic diocese of Le Man ...

racing series

Aircraft

* Abrams P-1 Explorer, an American aerial survey aircraft * Dewoitine P-1, a Dewoitine aircraft * DFW P.1, a passenger aircraft development of the 1916 DFW C.V * Paradise P-1 LSA, a Brazilian light-sport aircraft

Rail

* P1 (AirTrain Newark station), a station on AirTrain Newark, NJ, USA * Alsace-Lorraine P 1, a German steam locomotives class *

LNER Class P1 The London and North Eastern Railway Class P1 Mineral 2-8-2 Mikado was a class of two steam locomotives designed by Nigel Gresley. They were two of the most powerful freight locomotives ever designed for a British railway. It was initially inten ...

, a locomotive designed by Nigel Gresley

Other uses

* Front-runner, or position 1 (P.1) * Papyrus 1, also known as P1, P, or , an early papyrus copy of part of the New Testament * Walther P1, an aluminum-framed variant of the

Walther P38 The Walther P38 (originally written Walther P.38) is a 9 mm semi-automatic pistol that was developed by Carl Walther GmbH as the service pistol of the Wehrmacht at the beginning of World War II. It was intended to replace the costly Luger P08, ...

pistol * '' Pioneer One'', an open source web series * P-1 (submarine), a fictional patrol craft in the animated TV series ''Marine Boy''