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), 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 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
  • P1 and P, three-dimensional space group numbers 1 and 2 (respectively)

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 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, 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

See also

  • Pone (disambiguation)
  • PL (disambiguation)
  • PI (disambiguation)
  • 1P (disambiguation)
  • Π1 (disambiguation) (; romanized "p1"; pronounced "pi1")