Pir or PIR may refer to:
Places
edit- Pir, Kerman, a village in Kerman Province, Iran
- Pir, Satu Mare, commune in Satu Mare County, Romania
Religion
edit- Pir (Alevism), one of the 12 ranks of Imam in Alevism
- Pir (Sufism), a Sufi teacher or spiritual leader
- Pir (Zoroastrianism), pilgrimage site in Persia, typically Zoroastrian
Science and technology
edit- PIR (gene), for a human protein that is a possible transcriptional coregulator
- Parrot intermediate representation, one of the two assembly languages for the Parrot virtual machine
- Partners in Research, Canadian bio-medical research charity
- Passive infrared sensor, detects infrared emission
- Peak information rate, a burstable rate set on routers and switches that allow throughput overhead
- Polyisocyanurate, a plastic used for thermal insulation
- Private information retrieval, a protocol for retrieving data without revealing what was retrieved
- Protein Information Resource, database and bioinformatics resource
- Public Interest Registry, manages .org Internet domain
Other
edit- Pir, a song by Prakash Saput
- Pacific Imperial Railroad, a defunct railway company in California
- Performance Index Rating, a statistical formula in basketball
- Philadelphia International Records, a record company based in Philadelphia, Pennsylvania
- Philosophy in Review, an academic journal
- Phoenix International Raceway, Avondale, Arizona
- Pir of the Britons, king of the Britons
- Pir Roshan (born 1525), Pashtun warrior-poet and intellectual
- Pittsburgh Industrial Railroad, reporting mark
- Portland International Raceway, Portland, Oregon
- Pre-Islamic recent period, an archaeological assemblage in the Persian Gulf
- Prosopographia Imperii Romani, a collection of Latin inscriptions on notable Romans
- Parachute Infantry Regiment, airborne infantry unit of the United States Army
- Pierre Regional Airport, South Dakota, United States (IATA code: PIR)
- PIR, NYSE symbol for Texas-based retailer Pier 1 Imports