PVI may refer to:
People
Pope Paul VI, head of the Roman Catholic Church 1963-1978 Peter van Inwagen, American philosopher
Companies
PVI Virtual Media Services, virtual advertising and imaging company Power Vehicle Innovation, the French electric and natural gas bus and truck manufacturer PetroVietnam Insurance, a subsidiary of PetroVietnam
Medicine
Pleth variability index Pulmonary vein isolation or pulmonary vein ablation, a surgical procedure to treat atrial fibrillation
Other
Cook Partisan Voting Index Paul VI Catholic High School in Fairfax, Virginia, named for Pope Paul VI Paul VI High School in Haddonfield, New Jersey, named for Pope Paul VI Polyvinyl imidazole, a polymer of vinylimidazole Polyvinyl isobutyl ether, a type of polyvinyl ether