Common meanings

Pip, colloquial name for the star(s) worn on military uniform as part of rank badge, as in the British Army officer rank insignia or with many Commonwealth police agencies
The seed of some fruits
The pyrena, also called a pit or stone, inside some fruits
Pip (counting), a small but easily countable item, such as the dots on dice or symbols on playing cards
Pip, a dot on a domino tile, refer Glossary of domino terms

Arts, entertainment and media

"Pip" (South Park), a 2000 episode of South Park
The Pips, the backing singers in the musical group Gladys Knight & the Pips
Providence Initiative for Psychogeographic Studies, an art group
PiP Animation Services, a Canadian animation studio
The Pip, the nickname of a clandestine radio station of Russian origin
BBC Pips or The Pips, a timing signal broadcast by the BBC
Picture-in-picture, a broadcasting format

Finance and management

Percentage in point, a currency exchange rate fluctuation
Performance improvement plan, a management technique
Personal Independence Payment, a welfare benefit in the United Kingdom
Personal injury protection, a type of car insurance
Policy-ineffectiveness proposition, an economic theory

People

Pip, diminutive of Philip or Philippa
Pip (nickname), a list of people with the nickname
Pip (musician) (born 1992), contestant on Season 2 of NBC's TV show The Voice
Pip Devonshire (born 1966), New Zealand weaver
Pip Millett, English musician Georgia Willacy
Pip Simmonds, New Zealand freestyle skier
Scroobius Pip (born 1981), alias of rapper David Meads
Josef Priller (1915–1961), German fighter ace nicknamed "Pips"

Fictional characters

Pip (Great Expectations), Philip Pirrip from the Charles Dickens' novel Great Expectations
Pip Pirrup, a student at South Park Elementary in South Park
Pip (Moby-Dick character)
Peregrin Took, (Pippin) in J. R. R. Tolkien's fantasy The Lord of the Rings
Pip, a major character in The Railway Series of books
Pip, in the British newspaper strip cartoon Pip, Squeak and Wilfred
Pip (Chrono Cross)
Pip the Troll, a Marvel Comics character
Pip, in the Grailquest gamebook series
Pip Bernadotte, in the manga Hellsing
Pip, an Animaniacs character
Pip, in the Nickelodeon animated show Back at the Barnyard
Pip, a nickname of Chiana, in the Australian television series Farscape
Pip, in the film The Halloween Tree
Pip, a persona featured on the Tori Amos album American Doll Posse
Pips, a fictional fairy in the animated film FernGully: The Last Rainforest and its sequel
Pip, an animated chipmunk in the Disney live-action/animated film Enchanted
Pip, an otter in the television series Bear in the Big Blue House
Pip the Penguin, in the animated series T.O.T.S.
Pip, from The Twilight Zone (1959) episode "A Nice Place to Visit"
Pip Fitz-Amobi, the main character of A Good Girls Guide to Murder

Schools

Pakistan International Public School and College (PIPS), a private residential school in Abbottabad, Pakistan
Pakistan Institute of Physics, a physics research institute of the University of Engineering and Technology, Lahore in Pakistan

Politics and government

Pakistan Institute for Parliamentary Services, a Pakistani government institution
Pakistan Institute for Peace Studies, a Pakistani non-governmental organization
Police information point, a kiosk run by British police
Peruvian Investigative Police, a plainclothes police unit
Puerto Rican Independence Party, a political party
Personal Independence Payment, a British welfare benefit

Science and technology

Greenwich Time Signal, popularly known as the pips
Predicted impact point, the location at which a projectile is expected to strike
Profile ignition pickup, a term in automotive technology
Proper indecomposable past set, a causal relation in a Lorentzian manifold
Picture-in-picture, a video stream playing within an inset window of a TV or device screen

Biology and medicine

Peak inspiratory pressure (PIP), in mechanical ventilation
Plasma membrane intrinsic protein, a class of plant aquaporins
Poly Implant Prothèse, a former French breast implants manufacturer
Polymerization induced phase separation
Prolactin-induced protein, a protein in humans
Proximal interphalangeal joints, interphalangeal joints of the hand
Pairwise-invasibility plot in evolutionary invasion analysis
Psychosis-intermittent hyponatremia-polydipsia (PIP) syndrome
Pug impression pad, an object used for the census of tigers

Computing

Peripheral Interchange Program, a DEC and CP/M file transfer utility
Point in polygon, a concept in computational geometry
Policy Information Point, in eXtensible Access Control Markup Language
Private Internet Protocol
pip (package manager), a Python package installer
P.I.P.S. Is POSIX on Symbian, known as P.I.P.S.
Precision Time Protocol Industry Profile, an IEC 62439-3 standard

Other uses

Battle of the Pips, an incident in World War II
Palisades Interstate Parkway, a highway in New York and New Jersey, United States
Pip Cliffs, Graham Land, Antarctica
IATA code for Pilot Point Airport, Pilot Point, Alaska, United States
Pips, a logic puzzle in The New York Times Games
Phosphatidylinositol 3-phosphate, also known as PI(3)P
Phosphatidylinositol 4-phosphate, also known as PI(4)P
Phosphatidylinositol 5-phosphate, also known as PI(5)P
The Pip-Boy, a wrist computer in the Fallout video games