P (disambiguation)

P is the sixteenth letter of the Latin alphabet. In other alphabets, the Greek Rho and Er (Cyrillic), share the shape of P; the lowercase p is also sometimes confused with Rho ρ or ϱ.

P may also refer to:

Arts, literature and music

• P (band), 1993-95 American alternative rock band
• P (album), the 1995 eponymous release by American alternative rock band P
• “P” (song), a song from the Venetian Snares album Cavalcade of Glee and Dadaist Happy Hardcore Pom Poms
• P, code for the Paris Herbarium at the Muséum national d'histoire naturelle
• P, the ancient Greek author of the Hellenica Oxyrhynchia
• P, priestly source of the Hebrew Bible

Mathematics

• p-value, in statistical hypothesis testing
• P (complexity), a complexity class in computational complexity theory
• #P complexity class
• pico- SI prefix
• Peta- Metric system prefix

Money

• P (instead of ), a symbol often used for the Philippine Peso.
• p is a symbol for Penny

Science and computing

• P-type semiconductor
• Haplogroup P (mtDNA), a human mitochondrial DNA (mtDNA) haplogroup
• Haplogroup P (Y-DNA), a Y-chromosomal DNA (Y-DNA) haplogroup
• 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(), the usual name for the operation to acquire a semaphore
• p, the symbol for momentum in physics
• P, the symbol for power (physics)
• Poise, the unit for dynamic viscosity in the centimetre gram second system of units
• P, the symbol for the chemical element phosphorus
• P, the symbol for pressure
• <p>, the HTML element to mark the beginning of paragraphs
• p, the SI prefix symbol for pico-, 10^-12
• p, approximates the negative common logarithm (base 10) in pH, the measure of acidity or basicity
• p, a suffix unit for video resolution (vertical Progressive-scan lines), as in 720p or 1080p

Corporate

• 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) is a Canadian company that builds environmentally friendly hybrid yard locomotives.

Other uses

• p., an abbreviation for page when referencing a page number in a print publication
• Pirate Party (Poland)
• P, New Zealand street name for methamphetamine
• The encircled P, or ℗, is the sound recording copyright symbol
• P, on maps, a symbol for a Parking area