Look up p in Wiktionary, the free dictionary.

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

P may also refer to:

• 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

• P, code for the Paris Herbarium at the Muséum national d'histoire naturelle
• P, the ancient Greek author of the Hellenica Oxyrhynchia
• P, the production code for the 1965 Doctor Who serial The Crusade
• P (film), a 2005 Thai film
• "P" Is for Peril, a 2001 novel by Sue Grafton
• P, an abbreviation of Pinxit
• p or piano, a dynamic direction to play softly
• P, priestly source of the Hebrew Bible
• Agent P, the codename for Perry the Platypus in Phineas and Ferb

• 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-value, in statistical hypothesis testing
• P (complexity), a complexity class in computational complexity theory
• #P complexity class
• P, universal parabolic constant
• Pi
• P or ${\displaystyle \mathbb {P} }$ - the set of all primes and p an individual prime
• ℘-functions or p-functions, are the Weierstrass elliptic function
• p-series, a common name for the Harmonic series (mathematics)
• P, Projective space

• 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

• Papa, the military time zone code for UTC−03:00

• Pea (disambiguation)
• Pee (disambiguation)
• Rho (disambiguation)
• P. (disambiguation)

This disambiguation page lists articles associated with the title P.
If an internal link led you here, you may wish to change the link to point directly to the intended article.