P (disambiguation)

Last updated September 16, 2025

P , or p, is the sixteenth letter of the Latin alphabet.

Rho (letter), in Greek alphabet; the lowercase p is also sometimes confused with the lowercase Rho, ρ or ϱ
Er (Cyrillic), in Cyrillic alphabet; it is sometimes confused with the Latin letter P
𝔓ⁿ siglum for New Testament papyrus with Gregory-Aland number n
In linguistics, P (also O), the patient-like argument (object) of a canonical transitive verb
Encircled P, or ℗, is the sound recording copyright symbol
p., an abbreviation for page when referencing a page number in a print publication
Portugal country code in the vehicle registration plates of the European Union
Parking, see also Parking (disambiguation).
P (Nazi symbol), worn by Polish forced labourers during Nazi occupation
P, the aircraft registration prefix for North Korean planes
P, an abbreviation of gridiron football position punter

Arts, literature and music

P (band), a 1993–95 American alternative rock band
- P (album), the 1995 eponymous release by American alternative rock band P
"P," a song from the Venetian Snares album Cavalcade of Glee and Dadaist Happy Hardcore Pom Poms
"P", a song by American rapper Jaden from his 2019 album ERYS

P(), the usual name for the operation to acquire a semaphore
<p>...</p>, the HTML element used to create a paragraph
P-type semiconductor
P (programming language), developed by Microsoft and UC, Berkeley
Primitive programming language P′′
p, a suffix unit for video resolution (vertical Progressive-scan lines), as in 720p or 1080p
The P convention in communication

P (instead of ₱), a symbol often used for the Philippine peso
p is a symbol for penny
P, the New York Stock Exchange ticker symbol for Pandora Media, Inc., the corporate owner of Pandora Radio
P, Panasonic's mobile phones in Japan
Railpower Technologies (TSX: P), a Canadian company that builds environmentally friendly hybrid yard locomotives

p, the symbol for momentum in physics
P, the symbol for power (physics)
P, the symbol for proposition
Pulse, the rate of heartbeats
°P, the unit in descriptions of alcohol proof
Poise, the unit for dynamic viscosity in the centimetre gram second system of units
Phosphorus, symbol P, a chemical element
p, the symbol for pressure
p, the SI prefix symbol for pico-, 10⁻¹²
P, the SI prefix symbol for Peta-, 10¹⁵
p, approximates the negative common logarithm (base 10) in pH, the measure of acidity or basicity
Haplogroup P (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup
Haplogroup P (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup
Methamphetamine, nicknamed "P" in New Zealand
p designates the short arm of a chromosome
ATC code P Antiparasitic products, insecticides and repellents, a section of the Anatomical Therapeutic Chemical Classification System
Proline, an amino acid abbreviated P or Pro
P-factor, an aerodynamic effect
p factor (psychopathology)

Transilien Line P, a line of the Paris transport network
P (Los Angeles Railway)
The official West Japan Railway Company service symbol for:
- Sakurajima Line.
- Geibi Line.
Nankō Port Town Line, an automated guideway line operated by the Osaka Metro, labeled