Pir may refer to:
Pir (Sufism), a Sufi teacher, spiritual leader
Pir (Pilgrimage Site), a site in Persia, frequently one of the Zoroastrian faith
Pir of the Britons, legendary king of the BritonsPir, Satu Mare, commune in
Satu Mare County, RomaniaPIR may refer to: In science:
Protein Information Resource, a major protein information database and bioinformatics resource
Partners in Research, a Canadian charity dedicated to bio-medical research
Parrot Intermediate Representation, part of Parrot virtual machine
Passive infrared sensor, an often used part of a security system
Polyisocyanurate, a plastic typically produced as a foam for thermal insulationProsopographia Imperii Romani, an index of all persons mentioned in ancient literature from the
Roman Republic to the
Roman Empire.
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