PR (or P. R.) commonly stands for public relations.
PR (or P. R.) may also refer to:
- PageRank
- Parachute rigger, a former rank of the U.S. Navy
- Pakistan Railways
- Party of Regions
- Peer review
- Performance Rating
- Permanent residency
- Permanent revolution
- Perpendicular recording
- Pershing Rifles
- Philippine Airlines, IATA airline designator
- Photorefractive effect
- Positive-real (mathematics), the defining property of positive-real functions
- Poste restante, a service where the post office holds mail until the recipient calls for it
- Power Rangers, referred to as PR by fans.
- 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
- Adobe Premiere Pro, Adobe software which uses "Pr" as its icon abbreviation
- The Princeton Review, an education company
- Progesterone receptor, a protein
- Project Reality, a mod for Battlefield 2
- Proportional representation, a class of voting systems
- Propyl radicals, in organic chemistry
- Protestant Reformation
- Punt returner, a position in American football