PR commonly stands for Public relations.

PR may also stand for (alphabetically):

• PageRank
• Prithvi Raj, Actor (India)
• Pakistan Railways
• Partial Response, in Partial Response Maximum Likelihood
• Partial Response, in oncology
• Party of Regions
• Peer review
• Performance Rating
• Permanent Residency
• Permanent Revolution
• Perpendicular recording
• Pershing Rifles
• Philippine Airlines, IATA airline designator
• Photorefractive
• Pokémon Red, a Game Boy Color video game
• Pokémon Ruby a Game Boy Advance video game
• Poste Restante (abbrev. GD), also known as General Delivery, a service where the post office holds mail until the recipient calls for it
• Posting reference, in the ledger in accounting
• Power Rangers
• PR (complexity), a complexity class
• PR postcode area, for Preston, Lancashire, United Kingdom
• Prandtl number, in physics and engineering
• Praseodymium, chemical element number 59 (abbreviated "Pr")
• Precisely Right, a synchronized skating team
• Press release
• Premiere, Adobe software which uses "Pr" as its icon abbreviation.
• denoted Pr(...), the probability of an event in probability theory
• Princeton Review, an education company
• Progesterone receptor, a protein
• Project Reality, a mod for Battlefield 2
• Proportional representation, a class of voting systems used in most of the world, including Germany, Italy, New Zealand, and some elections in Australia
• Propyl radicals, in organic chemistry
• Protestant Reformation
• Punt returner, a position in American football

Place

• Paraná (state), Brazil (ISO 3166-2:BR)
• Parma (province) Italy (ISO 3166-2:IT)
• Port Richmond (disambiguation)
• Portuguese Republic
• Puerto Rico (island), USA (ISO 3166)