CVI may refer to:
The C.V.I. was an automobile manufactured in Jackson, Michigan by the C.V.I. Motor Car Company from 1907-08. The C.V.I. had a common chassis shared between a roadster or their touring car. The car had a four-cylinder, 4.2L engine, with a three-speed selective transmission and shaft drive. The cars sold for $4,000.
init. (context medicine English) chronic venous insufficiency