P1

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

Computing, robotics, and, telecommunications

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

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

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

Front-runner, or position 1 (P.1)
Papyrus 1, also known as P1, P¹, or 𝔓¹, 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