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

Computing, robotics, and, telecommunications

DSC-P1 The following is a list of Sony digital cameras made under the Cyber-shot brand name. Notes: * DSC is an abbreviation for Digital still camera, Digital Still Camera * Models with a "V"-suffix include built-in Global Positioning System, GPS funct ...

, 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), a Soviet anti-ship cruise missile

Science

Biology

* P1

antigen In immunology, an antigen (Ag) is a molecule, moiety, foreign particulate matter, or an allergen, such as pollen, that can bind to a specific antibody or T-cell receptor. The presence of antigens in the body may trigger an immune response. ...

, 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 ''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) The C1 and P1 (also called the P100) are two human scalp-recorded event-related brain potential (event-related potential (ERP)) components, collected by means of a technique called electroencephalography (EEG). The C1 is named so because it was the ...

, 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 Communes of France, city in Northwestern France on the Sarthe (river), Sarthe River where it meets the Huisne. Traditionally the capital of the Provinces of France, province of Maine (province), Maine, it is now the capital of ...

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, New Jersey, United States * Alsace-Lorraine P 1, a German steam locomotives class * LNER Class P1, a class of locomotive designed by Nigel Gresley

Other uses

Front-runner In politics, a front-runner (also spelled frontrunner or front runner) is a leader in an electoral race. While the front-runner in athletic events (the namesake of the political concept) is generally clear, a political front-runner, particularly i ...

, 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 pistol * '' Pioneer One'', an open source web series * P-1 (submarine), a fictional patrol craft in the animated TV series ''Marine Boy'' * P-1 (mountain lion), a mountain lion that lived in the Santa Monica Mountain National Recreation Area * The first year of school, Primary 1 or P1, in Scottish schools