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